Investigation of the optical and electrical properties of zinc oxide by terahertz time domain ellipsometry

Zixi Zhao, Verdad C. Agulto, Toshiyuki Iwamoto, Kosaku Kato, Kohei Yamanoi, Toshihiko Shimizu, Nobuhiko Sarukura, Takashi Fujii, Tsuguo Fukuda, Masashi Yoshimura, Makoto Nakajima

Optical Materials: X　Vol. 24　2024/12　Research paper (scientific journal)

Calcium phosphate controls nucleation and growth of calcium oxalate crystal phases in kidney stones

Uta MICHIBATA, Mihoko MARUYAMA, Yutaro TANAKA, Masashi YOSHIMURA, Hiroshi YOSHIKAWA, Kazufumi TAKANO, Yoshihiro FURUKAWA, Koichi MOMMA, Rie TAJIRI, Kazumi TAGUCHI, Shuzo HAMAMOTO, Atsushi OKADA, Kenjiro KOHRI, Takahiro YASUI, Shigeyoshi USAMI, Masashi IMANISHI, Yusuke MORI

Biomedical Research　Vol. 45　No. 3　p. 103-113　2024/09　Research paper (scientific journal)

Effects of adding methane on the growth and electrical properties of GaN in oxide vapor phase epitaxy

S. Usami, R. Higashiyama, M. Imanishi, J. Takino, T. Sumi, Y. Okayama, M. Yoshimura, M. Hata, M. Isemura, Y. Mori

Journal of Applied Physics　Vol. 136　No. 8　2024/08　Research paper (scientific journal)

199 nm vacuum-ultraviolet second harmonic generation from SrB₄O₇ vertical microcavity pumped with picosecond laser

Tomoaki Nambu, Masashi YOSHIMURA, Yusuke Mori, Yasufumi FUJIWARA, Ryota Ishii, Yoichi KAWAKAMI, Masahiro Uemukai, Tomoyuki TANIKAWA, Ryuji KATAYAMA

Applied Physics Express　Vol. 17　2024/08　Research paper (scientific journal)

Influence of the 4f5d-1S0 energy gap on the decay times of Pr3+-doped fluoride scintillating glasses

Keito Shinohara, Melvin John F. Empizo, Angelo P. Rillera, Mayrene A. Uy, Marilou Cadatal-Raduban, Kohei Yamanoi, Toshihiko Shimizu, Masashi Yoshimura, Nobuhiko Sarukura, Takahiro Murata, Hitoshi Abe, Akira Yoshikawa, Pavlo Mai, Christophe Dujardin, Malgorzata Guzik, Georges Boulon

Optical Materials: X　Vol. 23　2024/07　Research paper (scientific journal)

Pseudopolymorphism of Sodium Acetate in Supersaturated Aqueous Solution Induced by Focused Irradiation with Ultrashort Laser Pulses

Hozumi Takahashi, Yusuke Takaoka, Satomi Ebihara, Yuka Tsuri, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori, Hiroshi Y. Yoshikawa

The Journal of Physical Chemistry C　Vol. 128　p. 11046-11053　2024/06　Research paper (scientific journal)

A NEW SURGICAL TECHNOLOGY WITH FEMTOSECOND LASERS TOWARDS NO THERMAL INJURY IN ENDOSCOPIC SURGERY

Yutaro Tanaka, Yudai Yoshimura, Shuzo Hamamoto, Rie Tajiri, Kazufumi Takano, Masashi Yoshimura, Atsushi Okada, Sawatari-cho Mizuho-ku, Kenjiro Kohri, Takahiro Yasui, Yusuke Mori, Hiroshi Yoshikawa, Mihoko Maruyama

Journal of Urology　Vol. 211　No. 5S　2024/05　Research paper (scientific journal)

The impact of crystal phase transition on the hardness and structure of kidney stones

Uta Michibata, Mihoko Maruyama, Yutaro Tanaka, Masashi Yoshimura, Hiroshi Y. Yoshikawa, Kazufumi Takano, Yoshihiro Furukawa, Koichi Momma, Rie Tajiri, Kazumi Taguchi, Shuzo Hamamoto, Atsushi Okada, Kenjiro Kohri, Takahiro Yasui, Shigeyoshi Usami, Masayuki Imanishi, Yusuke Mori

Urolithiasis　Vol. 52　No. 1　2024/04/02　Research paper (scientific journal)

Origin of Black Color in Heavily Doped n‐Type GaN Crystal

Tomoaki Sumi, Junichi Takino, Yoshio Okayama, Shigeyoshi Usami, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori

physica status solidi (b)　2024/03/16　Research paper (scientific journal)

Suppression of polycrystal nucleation by methane addition at moderate timing to maintain GaN crystal growth on point seeds in the Na-flux method

Kazuma Hamada, Masayuki Imanishi, Kosuke Murakami, Shigeyoshi Usami, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　Vol. 627　p. 127522-127522　2024/02　Research paper (scientific journal)

Gamma-ray irradiation and the alterations in photoluminescence emissions of undoped and indium-doped ZnO single crystals

Keito Shinohara, Verdad C. Agulto, Melvin John F. Empizo, Kohei Yamanoi, Toshihiko Shimizu, Makoto Nakajima, Masashi Yoshimura, Arnel A. Salvador, Tsuguo Fukuda, Nobuhiko Sarukura

Journal of Crystal Growth　Vol. 627　p. 127518-127518　2024/02　Research paper (scientific journal)

深紫外レーザー用非線形光学結晶の開発

吉村 政志, 髙橋 義典, 村井 良多, 森 勇介, 河野 健太, 田中 宏基, 渋谷 公彦, 岡田 穣治, 西前 順一

レーザー研究　Vol. 52　No. 1　p. 11-16　2024/01　Research paper (scientific journal)

Spatiotemporal Control of Polymorphic Phase Transition of Glycine Crystals by Three-Dimensional Femtosecond Laser Ablation Processing

Hozumi Takahashi, Yudai Yoshimura, Ryota Murai, Ryuzo Kawamura, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori, Hiroshi Y. Yoshikawa

The Journal of Physical Chemistry Letters　p. 180-186　2023/12/28　Research paper (scientific journal)

Preparation of a freestanding GaN substrate in the Na-flux method by laser-assisted separation

Kazuma Hamada, Masayuki Imanishi, Kosuke Murakami, Shigeyoshi Usami, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 62　No. 12　p. 125503-125503　2023/12/01　Research paper (scientific journal)

Design and fabrication of a microcoil metamaterial absorber for the sub-terahertz region

Verdad C. Agulto, Ziqi Ling, Zixi Zhao, Shiyu Feng, Kosaku Kato, Motoharu Haga, Valynn Katrine Mag-usara, Masashi Yoshimura, Makoto Nakajima

Optics Letters　Vol. 48　No. 23　p. 6324-6324　2023/12/01　Research paper (scientific journal)

Reducing GaN crystal dislocations through lateral growth on uneven seed crystal surfaces using the Na-flux method

Shogo Washida, Masayuki Imanishi, Ricksen Tandryo, Kazuma Hamada, Kosuke Murakami, Shigeyoshi Usami, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 62　No. 10　p. 105503-105503　2023/10/01　Research paper (scientific journal)

Monitoring of GaN crystal growth rate in the Na flux growth via electroresistometry of Ga-Na solution

Ricksen Tandryo, Koichi Itozawa, Kosuke Murakami, Hitoshi Kubo, Masayuki Imanishi, Shigeyoshi Usami, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　Vol. 617　p. 127292-127292　2023/09　Research paper (scientific journal)

Thermodynamic analysis of oxide vapor phase epitaxy of GaN

Yuki Sakurai, Shigeyoshi Usami, Masayuki Imanishi, Tomoaki Sumi, Junichi Takino, Yoshio Okayama, Mihoko Maruyama, Masashi Yoshimura, Masahiko Hata, Masashi Isemura, Yusuke Mori

Journal of Applied Physics　Vol. 134　No. 8　2023/08/28　Research paper (scientific journal)

Production of Single Crystalline Seeds of Organic Nonlinear Optical Materials via Laser Ablation

Hozumi Takahashi, Megumi Shiraiwa, Valynn Katrine Mag-usara, Ruochen Dai, Verdad C. Agulto, Kosaku Kato, Makoto Nakajima, Mayu Yamaji, Seiichiro Nakabayashi, Mihoko Maruyama, Yusuke Mori, Masashi Yoshimura, Hiroshi Y. Yoshikawa

The Journal of Physical Chemistry C　Vol. 127　No. 28　p. 14005-14012　2023/07/11　Research paper (scientific journal)

Resist Removal Using Laser Irradiation Combined with Ozone Water Treatment

Ryohei Yasukuni, Atsushi Koizumi, Masashi Mizutani, Tomoya Nakao, Masashi Yoshimura, Hideo Horibe, Tomosumi Kamimura

Journal of Photopolymer Science and Technology　Vol. 36　No. 5　p. 271-275　2023/06/15　Research paper (scientific journal)

Spatiotemporal Control of Ice Crystallization in Supercooled Water via an Ultrashort Laser Impulse

Hozumi Takahashi, Tatsuya Kono, Kosuke Sawada, Satoru Kumano, Yuka Tsuri, Mihoko Maruyama, Masashi Yoshimura, Daisuke Takahashi, Yukio Kawamura, Matsuo Uemura, Seiichiro Nakabayashi, Yusuke Mori, Yoichiroh Hosokawa, Hiroshi Y. Yoshikawa

The Journal of Physical Chemistry Letters　Vol. 14　No. 19　p. 4394-4402　2023/05/08　Research paper (scientific journal)

High-power deep-ultraviolet light generation at 266 nm from frequency quadrupling of a picosecond pulsed 1064 nm laser with a Nd:YVO₄ amplifier pumped by a 914 nm laser diode

Yosuke Orii, Kento Yoshii, Kenta Kohno, Hiroki Tanaka, Kimihiko Shibuya, George Okada, Yusuke Mori, Junichi Nishimae, Masashi Yoshimura

Optics Express　Vol. 31　No. 9　p. 14705-14705　2023/04/18　Research paper (scientific journal)

Evidence for Solution-Mediated Phase Transitions in Kidney Stones: Phase Transition Exacerbates Kidney Stone Disease

Mihoko Maruyama, Yutaro Tanaka, Koichi Momma, Yoshihiro Furukawa, Hiroshi Y. Yoshikawa, Rie Tajiri, Masanori Nakamura, Kazumi Taguchi, Shuzo Hamamoto, Ryosuke Ando, Katsuo Tsukamoto, Kazufumi Takano, Masayuki Imanishi, Shigeyoshi Usami, Kenjiro Kohri, Atsushi Okada, Takahiro Yasui, Masashi Yoshimura, Yusuke Mori

Crystal Growth & Design　2023/04　Research paper (scientific journal)

Quantitative analysis of calcium oxalate monohydrate and dihydrate for elucidating the formation mechanism of calcium oxalate kidney stones

Mihoko Maruyama, Koichi P. Sawada, Yutaro Tanaka, Atsushi Okada, Koichi Momma, Masanori Nakamura, Ryota Mori, Yoshihiro Furukawa, Yuki Sugiura, Rie Tajiri, Kazumi Taguchi, Shuzo Hamamoto, Ryosuke Ando, Katsuo Tsukamoto, Kazufumi Takano, Masayuki Imanishi, Masashi Yoshimura, Takahiro Yasui, Yusuke Mori

PLOS ONE　Vol. 18　No. 3　p. e0282743-e0282743　2023/03/09　Research paper (scientific journal)

Surface Structures of GaN under OVPE Growth Conditions and Influence of Point Defects on Optical Properties of GaN

Kawamura Takahiro, Akiyama Toru, Usami Shigeyoshi, Imanishi Masayuki, Yoshimura Masashi, Mori Yusuke, Morikawa Yoshitada, Kangawa Yoshihiro

Journal of the Japanese Association for Crystal Growth　Vol. 50　No. 1　2023

Radiation resistance of praseodymium-doped aluminum lithium fluorophosphate scintillator glasses for laser fusion experiments

Keito Shinohara, Melvin John F. Empizo, Marilou Cadatal-Raduban, Kohei Yamanoi, Toshihiko Shimizu, Masashi Yoshimura, Nobuhiko Sarukura, Takahiro Murata, Mayrene A. Uy, Hitoshi Abe, Akira Yoshikawa, Georges Boulon, Christophe Dujardin

Japanese Journal of Applied Physics　Vol. 62　No. 1　p. 010613-010613　2023/01/01　Research paper (scientific journal)

Solution-mediated phase transition of pharmaceutical compounds: Case studies of acetaminophen and aspirin

Mihoko Maruyama, Hiroshi Y. Yoshikawa, Kazufumi Takano, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　Vol. 602　p. 126990-126990　2023/01　Research paper (scientific journal)

Evidence of Undistorted 8-Coordinated Cubic (O_h) Ce³⁺ Center in Moderately-Doped (0.01 mol %) CaF₂ Single Crystal

Mayrene Uy, Keito Shinohara, Melvin John F. Empizo, Toshihiko Shimizu, Masashi Yoshimura, Nobuhiko Sarukura, Akira Yoshikawa, Hitoshi Abe

Journal of the Physical Society of Japan　Vol. 91　No. 12　2022/12/15　Research paper (scientific journal)

Minimization of the response time of a 20 W deep-ultraviolet light at 266 nm during intermittent operation

Yosuke Orii, Kenta Kohno, Hiroki Tanaka, Masashi Yoshimura, Yusuke Mori, Junichi Nishimae, Kimihiko Shibuya

Optics Continuum　Vol. 1　No. 11　p. 2274-2274　2022/10/24　Research paper (scientific journal)

Effects of pulse duration on laser-induced crystallization of urea from 300 to 1200 fs: impact of cavitation bubbles on crystal nucleation

Yuka Tsuri, Mihoko Maruyama, Katsuo Tsukamoto, Hiroaki Adachi, Kazufumi Takano, Shigeyoshi Usami, Masayuki Imanishi, Masashi Yoshimura, Hiroshi Y. Yoshikawa, Yusuke Mori

Applied Physics A　Vol. 128　No. 9　2022/09　Research paper (scientific journal)

Metastable Crystallization by Drop Impact

Akari Nishigaki, Mihoko Maruyama, Shun-ichi Tanaka, Hiroshi Y. Yoshikawa, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Kazufumi Takano

Crystals　Vol. 12　No. 8　p. 1104-1104　2022/08/06　Research paper (scientific journal)

Kyropoulos growth of a 300 g SrB₄O₇ single crystal using a twin-type stirring blade

Yasunori Tanaka, Ryota Murai, Yoshinori Takahashi, Melvin John F. Empizo, Shigeyoshi Usami, Mihoko Maruyama, Masayuki Imanishi, Yusuke Mori, Masashi Yoshimura

Japanese Journal of Applied Physics　Vol. 61　No. 7　p. 075503-075503　2022/07/01　Research paper (scientific journal)

Determination of the electron trap level in Fe-doped GaN by phonon-assisted conduction phenomenon

Hiroki Fukuda, Akira NAGAKUBO, Shigeyoshi Usami, Masashi Ikeda, Masayuki Imanishi, Masashi Yoshimura, Yusuke MORI, Kanta Adachi, Hirotsugu OGI

Applied Physics Express　Vol. 15　No. 7　p. 071003-071003　2022/05/30　Research paper (scientific journal)

DUV coherent light emission from ultracompact microcavity wavelength conversion device

Tomoaki Nambu, Taketo Yano, Soshi Umeda, Naoki Yokoyama, Hiroto Honda, Yasunori Tanaka, Yutaka Maegaki, Yusuke Mori, Masashi Yoshimura, Shuhei Kobayashi, Shuhei Ichikawa, Yasufumi Fujiwara, Ryota Ishii, Yoichi Kawakami, Masahiro Uemukai, Tomoyuki Tanikawa, Ryuji Katayama

Optics Express　Vol. 30　No. 11　p. 18628-18628　2022/05/23　Research paper (scientific journal)

Influence of oxygen-related defects on the electronic structure of GaN

Satoshi Ohata, Takahiro Kawamura, Toru Akiyama, Shigeyoshi Usami, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Tomoaki Sumi, Junichi Takino

Japanese Journal of Applied Physics　Vol. 61　No. 6　p. 061004-1-061004-5　2022/05　Research paper (scientific journal)

Bulk laser-induced damage resistance of SrB₄O₇ single crystals under 266 nm DUV laser irradiation

Yutaka Maegaki, Yasunori Tanaka, Haruki Marui, Atsushi Koizumi, Kota Tanaka, Tomosumi Kamimura, Ryota Murai, Yoshinori Takahashi, Melvin John F. Empizo, Shigeyoshi Usami, Masayuki Imanishi, Mihoko Maruyama, Yusuke Mori, Masashi Yoshimura

Japanese Journal of Applied Physics　Vol. 61　No. 5　p. 052005-052005　2022/05/01　Research paper (scientific journal)

Suppression of newly generated threading dislocations at the regrowth interface of a GaN crystal by growth rate control in the Na-flux method

Hyoga Yamauchi, Ricksen Tandryo, Takumi Yamada, Kosuke Murakami, Shigeyoshi Usami, Masayuki Imanishi, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 61　No. 5　p. 055505-055505　2022/05/01　Research paper (scientific journal)

Stable 10,000-hour operation of 20-W deep ultraviolet laser generation at 266 nm

Yosuke Orii, Kenta Kohno, Hiroki Tanaka, Masashi Yoshimura, Yusuke Mori, Junichi Nishimae, Kimihiko Shibuya

Optics Express　Vol. 30　No. 7　p. 11797-11797　2022/03/23　Research paper (scientific journal)

Effect of additional N2O gas on the suppression of polycrystal formation and high-rate GaN crystal growth by OVPE method

Ayumu Shimizu, Akira Kitamoto, Masahiro Kamiyama, Shintaro Tsuno, Keiju Ishibashi, Shigeyoshi Usami, Masayuki Imanishi, Mihoko Maruyama, Masashi Yoshimura, Tomoaki Sumi, Junichi Takino, Yoshio Okayama, Masahiko Hata, Masashi Isemura, Yusuke Mori

Journal of Crystal Growth　Vol. 581　p. 126495-126495　2022/03　Research paper (scientific journal)

High-rate OVPE-GaN crystal growth at a very high temperature of 1300 °C

Ayumu Shimizu, Shigeyoshi Usami, Masahiro Kamiyama, Itsuki Kawanami, Akira Kitamoto, Masayuki Imanishi, Mihoko Maruyama, Masashi Yoshimura, Masahiko Hata, Masashi Isemura, Yusuke Mori

Applied Physics Express　Vol. 15　No. 3　p. 035503-035503　2022/03/01　Research paper (scientific journal)

Suppression of newly generated threading dislocations at the regrowth interface of a GaN crystal by growth rate control in the Na-flux method

Yamauchi Hyoga, Tandryo Ricksen, Yamada Takumi, Murakami Kosuke, Usami Shigeyoshi, Imanishi Masayuki, Maruyama Mihoko, Maruyama Mihoko, Maruyama Mihoko, Yoshimura Masashi, Mori Yusuke

Japanese Journal of Applied Physics (Web)　Vol. 61　No. 5　2022　Research paper (scientific journal)

Terahertz time-domain ellipsometry with high precision for the evaluation of GaN crystals with carrier densities up to 1020 cm−3

Verdad C. Agulto, Toshiyuki Iwamoto, Hideaki Kitahara, Kazuhiro Toya, Valynn Katrine Mag-usara, Masayuki Imanishi, Yusuke Mori, Masashi Yoshimura, Makoto Nakajima

Scientific Reports　Vol. 11　No. 1　2021/12　Research paper (scientific journal)

Growth of Acetaminophen Polymorphic Crystals and Solution-Mediated Phase Transition from Trihydrate to Form II in Agarose Gel

Akari Nishigaki, Mihoko Maruyama, Shun-ichi Tanaka, Hiroshi Y. Yoshikawa, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Kazufumi Takano

Crystals　Vol. 11　No. 9　p. 1069-1069　2021/09/05　Research paper (scientific journal)

Floral design GaN crystals: low-resistive and low-dislocation-density growth by oxide vapor phase epitaxy

Junichi Takino, Tomoaki Sumi, Yoshio Okayama, Akira Kitamoto, Shigeyoshi Usami, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 60　No. 9　p. 095501-095501　2021/09/01　Research paper (scientific journal)

Nanosecond alpha-ray response and gamma-ray radiation resistance of a hydrothermal-grown bulk ZnO single crystal

Melvin John F. Empizo, Kohei Yamanoi, Yuki Abe, Keito Shinohara, Verdad C. Agulto, Yasunobu Arikawa, Toshihiko Shimizu, Masashi Yoshimura, Nobuhiko Sarukura, Tsuguo Fukuda

Journal of Crystal Growth　Vol. 570　p. 126240-126240　2021/09　Research paper (scientific journal)

Multicolor imaging of calcium-binding proteins in human kidney stones for elucidating the effects of proteins on crystal growth.

Yutaro Tanaka, Mihoko Maruyama, Atsushi Okada, Yoshihiro Furukawa, Koichi Momma, Yuki Sugiura, Rie Tajiri, Koichi P Sawada, Shunichi Tanaka, Kazufumi Takano, Kazumi Taguchi, Shuzo Hamamoto, Ryosuke Ando, Katsuo Tsukamoto, Masashi Yoshimura, Yusuke Mori, Takahiro Yasui

Scientific reports　Vol. 11　No. 1　p. 16841-16841　2021/08/26　Research paper (scientific journal)

Activation free energies for formation and dissociation of N–N, C–C, and C–H bonds in a Na–Ga melt

Takahiro Kawamura, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Yoshitada Morikawa

Computational Materials Science　Vol. 194　p. 110366-110366　2021/06　Research paper (scientific journal)

Growth Enhancement of Organic Nonlinear Optical Crystals by Femtosecond Laser Ablation

Hozumi Takahashi, Mayu Yamaji, Jun Ikeyama, Makoto Nakajima, Hideaki Kitahara, Syouei Tetsukawa, Naritaka Kobayashi, Mihoko Maruyama, Teruki Sugiyama, Shuji Okada, Yusuke Mori, Seiichiro Nakabayashi, Masashi Yoshimura, Hiroshi Y. Yoshikawa

The Journal of Physical Chemistry C　Vol. 125　No. 15　p. 8391-8397　2021/04/12　Research paper (scientific journal)

Effects of entrapped gas on the surface of a plastic ball induced by ultrasonic irradiation on the enhancement of crystallization of acetaminophen form II

Yuka Tsuri, Nana Inaoka, Mihoko Maruyama, Katsuo Tsukamoto, Hiroaki Adachi, Hiroshi Y. Yoshikawa, Kazufumi Takano, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori

JOURNAL OF CRYSTAL GROWTH　Vol. 557　2021/03　Research paper (scientific journal)

Investigations on the electric-dipole allowed 4f25d → 4f3 broadband emission of Nd3+-doped 20Al(PO3)3-80LiF glass for potential VUV scintillator application

Melvin John F. Empizo, Yuki Minami, Kohei Yamanoi, Toshihiko Shimizu, Masashi Yoshimura, Nobuhiko Sarukura, Takahiro Murata, Akihiro Yamaji, Akira Yoshikawa, Malgorzata Guzik, Yannick Guyot, Georges Boulon, Marilou Cadatal-Raduban

Journal of Alloys and Compounds　Vol. 856　p. 158096-158096　2021/03　Research paper (scientific journal)

Anisotropic complex refractive index of β-Ga2O3 bulk and epilayer evaluated by terahertz time-domain spectroscopy

Verdad C. Agulto, Kazuhiro Toya, Thanh Nhat Khoa Phan, Valynn Katrine Mag-usara, Jiajun Li, Melvin John F. Empizo, Toshiyuki Iwamoto, Ken Goto, Hisashi Murakami, Yoshinao Kumagai, Nobuhiko Sarukura, Masashi Yoshimura, Makoto Nakajima

Applied Physics Letters　Vol. 118　No. 4　p. 042101-042101　2021/01/25　Research paper (scientific journal)

Absolute surface energies of oxygen-adsorbed GaN surfaces

Takahiro Kawamura, Toru Akiyama, Akira Kitamoto, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Yoshitada Morikawa, Yoshihiro Kangawa, Koichi Kakimoto

Journal of Crystal Growth　Vol. 549　p. 125868-125868　2020/11　Research paper (scientific journal)

High surface laser-induced damage threshold of SrB4O7 single crystals under 266-nm (DUV) laser irradiation

Yasunori Tanaka, Ryota Murai, Yoshinori Takahashi, Tsuyoshi Sugita, Daisetsu Toh, Kazuto Yamauchi, Sora Aikawa, Haruki Marui, Yuji Umeda, Yusuke Funamoto, Tomosumi Kamimura, Melvin John F. Empizo, Masayuki Imanishi, Yusuke Mori, Masashi Yoshimura

Optics Express　Vol. 28　No. 20　p. 29239-29239　2020/09/28　Research paper (scientific journal)

High-rate OVPE-GaN growth by the suppression of polycrystal formation with additional H2O vapor in a high-temperature condition

Ayumu Shimizu, Shintaro Tsuno, Masahiro Kamiyama, Keiju Ishibashi, Akira Kitamoto, Masayuki Imanishi, Masashi Yoshimura, Masahiko Hata, Masashi Isemura, Yusuke Mori

Applied Physics Express　Vol. 13　No. 9　p. 095504-095504　2020/09/01　Research paper (scientific journal)

Anomalous dislocation annihilation behavior observed in a GaN crystal grown on point seeds by the Na-flux method

Masayuki Imanishi, Kanako Okumura, Kousuke Nakamura, Tomoko Kitamura, Keisuke Kakinouchi, Kosuke Murakami, Masashi Yoshimura, Yu Fujita, Yoshiyuki Tsusaka, Junji Matsui, Yusuke Mori

Applied Physics Express　Vol. 13　No. 8　p. 085510-085510　2020/08/01　Research paper (scientific journal)

Microflow system promotes acetaminophen crystal nucleation

Akari Nishigaki, Mihoko Maruyama, Munenori Numata, Chisako Kanzaki, Shun‐Ichi Tanaka, Hiroshi Y. Yoshikawa, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori, Kazufumi Takano

Engineering in Life Sciences　2020/07/14　Research paper (scientific journal)

Extreme reduction of on-resistance in vertical GaN p–n diodes by low dislocation density and high carrier concentration GaN wafers fabricated using oxide vapor phase epitaxy method

Junichi Takino, Tomoaki Sumi, Yoshio Okayama, Akira Kitamoto, Masayuki Imanishi, Masashi Yoshimura, Naomi Asai, Hiroshi Ohta, Tomoyoshi Mishima, Yusuke Mori

Applied Physics Express　Vol. 13　No. 7　p. 071010-071010　2020/07/01　Research paper (scientific journal)

High-power DUV picosecond pulse laser with a gain-switched-LD-seeded MOPA and large CLBO crystal

Kenta Kohno, Yosuke Orii, Hisashi Sawada, Daisuke Okuyama, Kimihiko Shibuya, Seiji Shimizu, Masashi Yoshimura, Yusuke Mori, Junichi Nishimae, George Okada

Optics Letters　Vol. 45　No. 8　p. 2351-2351　2020/04/15　Research paper (scientific journal)

Temperature dependence of nitrogen dissolution on Na flux growth

Ricksen Tandryo, Kosuke Murakami, Kanako Okumura, Takumi Yamada, Tomoko Kitamura, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　Vol. 535　p. 125549-125549　2020/04　Research paper (scientific journal)

Growth of GaN layers using Ga2O vapor synthesized from Ga2O3 and carbon

Akira Kitamoto, Yohei Yamaguchi, Shintaro Tsuno, Keiju Ishibashi, Yoshikazu Gunji, Masayuki Imanishi, Mamoru Imade, Masashi Yoshimura, Masahiko Hata, Masashi Isemura, Yusuke Mori

Journal of Crystal Growth　Vol. 535　2020/04　Research paper (scientific journal)

Growth of GaN single crystals with high transparency by the Li-added Na-flux method

Tatsuhiko Nakajima, MasayukiImanishi, TakumiYamada, KosukeMurakami, Masashi Yoshimura, yusuke Mori

Journal of Crystal Growth　Vol. 535　2020/04　Research paper (scientific journal)

Fabrication of a 1.5-inch freestanding GaN substrate by selective dissolution of sapphire using Li after the Na-flux growth

Takumi Yamada, Masayuki Imanishi, Kosuke Murakami, Kosuke Nakamura, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　Vol. 533　2020/03　Research paper (scientific journal)

Influence of GaN/sapphire contact area on bowing of GaN wafer grown by the Na-flux method with a sapphire dissolution process

Takumi Yamada, Masayuki Imanishi, Kosuke Murakami, Kousuke Nakamura, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 59　No. 2　p. 025505-1-025505-5　2020/02　Research paper (scientific journal)

Fabrication of GaN crystals with low threading dislocation density and low resistivity by thin flux growth in the Na-flux point seed technique

Kiyoto Endo, Masayuki Imanishi, Hitoshi Kubo, Takumi Yamada, Kosuke Murakami, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 59　No. 3　p. 035501-1-035501-4　2020/02　Research paper (scientific journal)

Intergrowth of Two Aspirin Polymorphism Observed with Raman Spectroscopy

Yuka Tsuri, Mihoko Maruyama, Hiroshi Y. Yoshikawa, Shino Okada, Hiroaki Adachi, Kazufumi Takano, Katsuo Tsukamoto, Masayuki Imanishi, Masashi Yoshimura, Yusuke Mori

Journal of Crystal Growth　2020　Research paper (scientific journal)

A comparison of removal phenomena in photoresist materials using laser irradiation

Tomosumi Kamimura, Naoki Nishioka, Yuji Umeda, Daichi Shima, Yusuke Funamoto, Yoshiyuki Harada, Masashi Yoshimura, Ryosuke Nakamura, Hideo Horibe

Journal of Photopolymer Science and Technology　Vol. 32　No. 4　p. 603-607　2019/08　Research paper (scientific journal)

Growth of large and high quality CsLiB₆O₁₀ crystals from self-flux solutions for high resistance against UV laser-induced degradation

Ryota Murai, Taishi Fukuhara, Go Ando, Yasunori Tanaka, Yoshinori Takahashi, Kazuhisa Matsumoto, Hiroaki Adachi, Mihoko Maruyama, Masayuki Imanishi, Kosaku Kato, Makoto Nakajima, Yusuke Mori, Masashi Yoshimura

Applied Physics Express　Vol. 12　No. 7　p. 075501-075501　2019/06/11　Research paper (scientific journal)

Effect of methane additive on GaN growth using the OVPE method

A. Kitamoto, J. Takino, T. Sumi, M. Kamiyama, S. Tsuno, K. Ishibashi, Y. Gunji, M. Imanishi, Y. Okayama, M. Nobuoka, M. Isemura, M. Yoshimura, Y. Mori

Japanese Journal of Applied Physics　Vol. 58　No. SC　p. SC1021-1-SC1021-5　2019/05　Research paper (scientific journal)

Development of a 2-inch GaN wafer by using the oxide vapor phase epitaxy method

J. Takino, T. Sumi, Y. Okayama, M. Nobuoka, A. Kitamoto, M. Imanishi, M. Yoshimura, Y. Mori

Japanese Journal of Applied Physics　Vol. 58　No. SC　p. SC1043-1-SC1043-6　2019/05　Research paper (scientific journal)

Recent progress of Na-flux method for GaN crystal growth

Y. Mori, M. Imanishi, Murakami, M. Yoshimura

Japplied Physics　Vol. 58　No. SC　p. SC0803-1-SC0803-10　2019/05　Research paper (other academic)

深紫外レーザー用非線形光学結晶の開発

吉村 政志

応用物理　Vol. 88　No. 5　p. 334-340　2019/05　Research paper (scientific journal)

Large-scale crystallization of acetaminophen trihydrate by a novel stirring technique

Fujimoto Riki, Maruyama Mihoko, Okada Shino, Adachi Hiroaki, Yoshikawa Hiroshi Y, Takano Kazufumi, Imanishi Masayuki, Tsukamoto Katsuo, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 12　No. 4　2019/04/01

Promotion of lateral growth of GaN crystals on point seeds by extraction of substrates from melt in the Na-flux method

Masayuki Imanishi, Kosuke Murakami, Takumi Yamada, Keisuke Kakinouchi, Kosuke Nakamura, Tomoko Kitamura, Kanako Okumura, Masashi Yoshimura, Yusuke Mori

Applied Physics Express　Vol. 12　p. 045508-1-045508-5　2019/03　Research paper (scientific journal)

Development of Polymorphic Control Technology for Pharmaceutical Compounds

Mihoko Maruyama, Masashi Yoshimura, Kazufumi Takano, Yusuke Mori

Kinetic Control in Synthesis and Self-assembly　p. 269-291　2019/01

Crystallization of aspirin form II by femtosecond laser irradiation

Tsuri Yuka, Maruyama Mihoko, Fujimoto Riki, Okada Shino, Adachi Hiroaki, Yoshikawa Hiroshi Y, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Tsukamoto Katsuo, Imanishi Masayuki, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 12　No. 1　2019/01/01

医薬品開発に向けた有機低分子の準安定形結晶高品質化への挑戦

吉村政志, 丸山美帆子, 森勇介

日本結晶成長学会誌　Vol. 45　No. 4　2019/01

非線形光学結晶の開発と紫外光発生応用

吉村政志, 森勇介

セラミックス　Vol. 53　No. 12　2018/12

Growth of high-quality transparent SrB4O7 single crystals with high degradation resistance for DUV laser application

Y. Tanaka, K. Shikata, R. Murai, Y. Takahashi, M. Imanishi, T. Sugita, Y. Mori, M. Yoshimura

Applied Physics Express　Vol. 11　No. 12　p. 125501-1-125501-3　2018/11　Research paper (scientific journal)

First-principles study of polar, nonpolar, and semipolar GaN surfaces during oxide vapor phase epitaxy growth

T. Kawamura, A. Kitamoto, M. Imade, M. Yoshimura, Y. Mori, Y. Morikawa, Y. Kangawa, K. Kakimoto, T. Akiyama

Japanese Journal of Applied Physics　Vol. 57　p. 115504-1-7　2018/10　Research paper (scientific journal)

Atomic-Scale Imaging of Surface and Hydration Structures of Stable and Metastable Acetaminophen Crystals by Frequency Modulation Atomic Force Microscopy

Kobayashi Naritaka, Maruyama Mihoko, Mori Yoichiro, Fukukita Suguru, Adachi Hiroaki, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Yoshimura Masashi, Nakabayashi Seiichiro, Mori Yusuke, Yoshikawa, Hiroshi Y

JOURNAL OF PHYSICAL CHEMISTRY C　Vol. 122　No. 38　p. 21983-21990　2018/09/27

Growth of high-quality metastable crystal of acetaminophen using solution-mediated phase transformation at low supersaturation

R. Fujimoto, M. Maruyama, Y. Mori, S. Okada, H. Adachi, H.Y. Yoshikawa, K. Takano, S. Murakami, H. Matsumura, T. Inoue, M. Imanishi, K. Tsukamoto, M. Yoshimura, Y. Mori

Journal of Crystal Growth　2018/09　Research paper (scientific journal)

Magnetically and electrically polarization-tunable THz emitter with integrated ferromagnetic heterostructure and large-birefringence liquid crystal

H.S. Qiu, L. Wang, Z.X. Shen, K. Kato, N. Sarukura, M. Yoshimura, W. Hu, Y.Q. Lu, M. Nakajima

Applied Physics Express　2018/08　Research paper (scientific journal)

医薬品候補化合物の多形制御戦略と結晶化技術の開発

丸山美帆子, 吉村政志, 森勇介

月刊ファインケミカル　Vol. 47　No. 6　p. 5-16　2018/06　Research paper (scientific journal)

Layer thickness dependence of the terahertz emission based on spin current in ferromagnetic heterostructures

H.S. Qiu, K. Kato, K. Hirota, N. Sarukura, M. Yoshimura, M. Nakajima

Optics Express　Vol. 26　No. 12　p. 15247-15254　2018/06　Research paper (scientific journal)

Enhancing terahertz magnetic near field induced by a micro-split-ring resonator with a tapered waveguide

Hongsong Qiu, Takayuki Kurihara, Hirofumi Harada, Kosaku Kato, Keisuke Takano, Tohru Suemoto, Masahiko Tani, Nobuhiko Sarukura, Masashi Yoshimura, Makoto Nakajima

Optics Letters　Vol. 43　No. 8　p. 1658-1661　2018/04/15　Research paper (scientific journal)

Quantized conductance observed during sintering of silver nanoparticles by intense terahertz pulses

Keisuke Takano, Hirofumi Harada, Masashi Yoshimura, Makoto Nakajima

Applied Physics Letters　Vol. 112　No. 16　p. 163162-1-163162-4　2018/04　Research paper (scientific journal)

Improvement of metastable crystal of acetaminophen via control of crystal growth rate

Nii Kosuke, Maruyama Mihoko, Okada Shino, Adachi Hiroaki, Takano Kazufumi, Murakami Satoshi, Yoshikawa Hiroshi Y, Matsumura Hiroyoshi, Inoue Tsuyoshi, Imanishi Masayuki, Tsukamoto Katsuo, Yoshimura Masashi, Mori Yusuke

Applied Physics Express　Vol. 11　No. 3　2018/03　Research paper (scientific journal)

Vacancy-type defects in bulk GaN grown by the Na-flux method probed using positron annihilation

Akira Uedono, Masayuki Imanishi, Mamoru Imade, Masashi Yoshimura, Shoji Ishibashi, Masatomo Sumiya, Yusuke Mori

Journal of Crystal Growth　Vol. 475　p. 261-265　2017/10　Research paper (scientific journal)

High Quality Laser Processing Technology with Deep Ultraviolet Picosecond Laser

Vol. 45　No. 9　p. 554-559　2017/09　Research paper (scientific journal)

First-principles study of the surface phase diagrams of GaN(0001) and (000-1) under oxide vapor phase epitaxy growth conditions

Takahiro Kawamura, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Yusuke Mori, Yoshitada Morikawa, Yoshihiro Kangawa, Koichi Kakimoto

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS　Vol. 254　No. 8　p. 1600706-1-6　2017/08　Research paper (scientific journal)

Strong yellow emission of high-conductivity bulk ZnO single crystals irradiated with high-power gyrotron beam

Kosaku Kato, Hongsong Qiu, Eduard M. Khutoryan, Yoshinori Tatematsu, Masahiko Tani, Toshitaka Idehara, Yuusuke Yamaguchi, Masafumi Fukunari, Yuto Maeda, Kyoya Takayama, Yuki Minami, Melvin John F. Empizo, Takayuki Kurihara, Kohei Yamanoi, Toshihiko Shimizu, Keisuke Takano, Nobuhiko Sarukura, Tsuguo Fukuda, Masashi Yoshimura, Makoto Nakajima

APPLIED PHYSICS LETTERS　Vol. 111　No. 3　2017/07　Research paper (scientific journal)

Homoepitaxial Hydride Vapor Phase Epitaxy Growth on GaN Wafers Manufactured by the Na-Flux Method

Masayuki Imanishi, Takehiro Yoshida, Toshio Kitamura, Kosuke Murakami, Mamoru Imade, Masashi Yoshimura, Masatomo Shibata, Yoshiyuki Tsusaka, Junji Matsui, Yusuke Mori

CRYSTAL GROWTH & DESIGN　Vol. 17　No. 7　p. 3806-3811　2017/07　Research paper (scientific journal)

Vacancy-type defects in bulk GaN grown by the Na-flux method probed using positron annihilation

Akira Uedono, Masayuki Imanishi, Masashi Yoshimura, Shoji Ishibashi, Masatomo Sumiya, Yusuke Mori

Journal of Crystal Growth　Vol. 475　p. 261-265　2017/07　Research paper (scientific journal)

Enhancement of lateral growth of the GaN crystal with extremely low dislocation density during the Na-flux growth on a point seed

Masatoshi Hayashi, Masayuki Imanishi, Takumi Yamada, Daisuke Matsuo, Kosuke Murakami, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

JOURNAL OF CRYSTAL GROWTH　Vol. 468　p. 827-830　2017/06　Research paper (scientific journal)

Optical damage assessment and recovery investigation of hydrogen-ion and deuterium-ion plasma-irradiated bulk ZnO single crystals

Melvin John F. Empizo, Kohei Yamanoi, Kazuyuki Mori, Keisuke Iwano, Yuki Iwasa, Yuki Minami, Ren Arita, Kazuhito Fukuda, Keisuke Takano, Toshihiko Shimizu, Makoto Nakajima, Masashi Yoshimura, Nobuhiko Sarukura, Takayoshi Norimatsu, Masanori Hangyo, Hiroshi Azechi, Tsuguo Fukuda, Bess G. Singidas, Roland V. Sarmago, Makoto Oya, Yoshio Ueda

JOURNAL OF APPLIED PHYSICS　Vol. 121　No. 17　2017/05　Research paper (scientific journal)

Increase in the growth rate of GaN crystals by using gaseous methane in the Na flux method

Kosuke Murakami, Shogo Ogawa, Masayuki Imanishi, Mamoru Imade, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 56　No. 5　2017/05　Research paper (scientific journal)

Effects of Al additives on growth of GaN polycrystals by the Na flux method

Hiroki Imabayashi, Kosuke Murakami, Daisuke Matsuo, Masatomo Honjo, Masayuki Imanishi, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

OPTICAL MATERIALS　Vol. 65　p. 42-45　2017/03　Research paper (scientific journal)

Effect of flux composition ratio on the coalescence growth of GaN crystals by the Na-flux method

Masatomo Honjo, Masayuki Imanishi, Hiroki Imabayashi, Kosuke Nakamura, Kosuke Murakami, Daisuke Matsuo, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

OPTICAL MATERIALS　Vol. 65　p. 38-41　2017/03　Research paper (scientific journal)

Crystallization of acetaminophen form II by plastic-ball-assisted ultrasonic irradiation

Mori Yoichiro, Maruyama Mihoko, Takahashi Yoshinori, Yoshikawa Hiroshi Y, Okada Shino, Adachi Hiroaki, Sugiyama Shigeru, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 10　No. 2　2017/02　Research paper (scientific journal)

Control of GaN crystal habit by solution stirring in the Na-flux method

Kosuke Murakami, Mamoru Imade, Masayuki Imanishi, Masatomo Honjo, Hiroki Imabayashi, Daisuke Matsuo, Kosuke Nakamura, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 56　No. 1　2017/01　Research paper (scientific journal)

Habit control during growth on GaN point seed crystals by Na-flux method

Masatomo Honjo, Masayuki Imanishi, Hiroki Imabayashi, Kosuke Nakamura, Kosuke Murakami, Daisuke Matsuo, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 56　No. 1　2017/01　Research paper (scientific journal)

Metastable crystal growth of acetaminophen using solution-mediated phase transformation

Mori Yoichiro, Maruyama Mihoko, Takahashi Yoshinori, Yoshikawa Hiroshi Y, Okada Shino, Adachi Hiroaki, Sugiyama Shigeru, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 10　No. 1　2017/01　Research paper (scientific journal)

Picosecond high-power 355-nm UV generation in CsLiB6O10 crystal

Kentaro Ueda, Yosuke Orii, Yoshinori Takahashi, George Okada, Yusuke Mori, Masashi Yoshimura

OPTICS EXPRESS　Vol. 24　No. 26　p. 30465-30473　2016/12　Research paper (scientific journal)

ZnO crystal as a potential damage-recoverable window material for fusion reactors

Kohei Yamanoi, Melvin John F. Empizo, Kazuyuki Mori, Keisuke Iwano, Yuki Minami, Ren Arita, Yuki Iwasa, Kazuhito Fukuda, Kosaku Kato, Keisuke Takano, Toshihiko Shimizu, Makoto Nakajima, Masashi Yoshimura, Nobuhiko Sarukura, Takayoshi Norimatsu, Masanori Hangyo, Hiroshi Azechi, Tsuguo Fukuda, Bess G. Singidas, Roland V. Sarmago, Makoto Oya, Yoshio Ueda

OPTICAL MATERIALS　Vol. 62　p. 646-650　2016/12　Research paper (scientific journal)

Promotion of protein crystal growth by actively switching crystal growth mode via femtosecond laser ablation

Tominaga Yusuke, Maruyama Mihoko, Yoshimura Masashi, Koizumi Haruhiko, Tachibana Masaru, Sugiyama Shigeru, Adachi Hiroaki, Tsukamoto Katsuo, Matsumura Hiroyoshi, Takano Kazufumi, Murakami Satoshi, Inoue Tsuyoshi, Yoshikawa Hiroshi Y, Mori Yusuke

NATURE PHOTONICS　Vol. 10　No. 11　p. 723-+　2016/11　Research paper (scientific journal)

A crystallization technique for obtaining large protein crystals with increased mechanical stability using agarose gel combined with a stirring technique

Maruyama Mihoko, Hayashi Yuki, Yoshikawa, Hiroshi Y, Okada Shino, Koizumi Haruhiko, Tachibana Masaru, Sugiyama Shigeru, Adachi Hiroaki, Matsumura Hiroyoshi, Inoue Tsuyoshi, Takano Kazufumi, Murakami Satoshi, Yoshimura Masashi, Mori Yusuke

JOURNAL OF CRYSTAL GROWTH　Vol. 452　p. 172-178　2016/10/15　Research paper (scientific journal)

Piezoelectric coefficients of GaN determined by hopping conduction of carriers

K. Adachi, H. Ogi, A. Nagakubo, N. Nakamura, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

APPLIED PHYSICS LETTERS　Vol. 109　No. 18　2016/10　Research paper (scientific journal)

Optical transmittance investigation of 1-keV ion-irradiated sapphire crystals as potential VUV to NIR window materials of fusion reactors

Keisuke Iwano, Kohei Yamanoi, Yuki Iwasa, Kazuyuki Mori, Yuki Minami, Ren Arita, Takuma Yamanaka, Kazuhito Fukuda, Melvin John, F. Empizo, Keisuke Takano, Toshihiko Shimizu, Makoto Nakajima, Masashi Yoshimura, Nobuhiko Sarukura, Takayoshi Norimatsu, Masanori Hangyo, Hiroshi Azechi, Bess G. Singidas, Rola, V. Sarmago, Makoto Oya, Yoshio Ueda

AIP Advances　Vol. 6　2016/10/01　Research paper (scientific journal)

Elastic constants of GaN between 10 and 305K

K. Adachi, H. Ogi, A. Nagakubo, N. Nakamura, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

JOURNAL OF APPLIED PHYSICS　Vol. 119　No. 24　2016/06　Research paper (scientific journal)

Crack-free GaN substrates grown by the Na-flux method with a sapphire dissolution technique

Takumi Yamada, Masayuki Imanishi, Kosuke Nakamura, Kosuke Murakami, Hiroki Imabayashi, Daisuke Matsuo, Masatomo Honjo, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

Applied Physics Express　Vol. 9　No. 7　p. 071002-1-071002-4　2016/06　Research paper (scientific journal)

Improvement of crystallinity of GaN layers grown using Ga2O vapor synthesized from liquid Ga and H2O vapor

Yohei Yamaguchi, Yuuki Taniyama, Hiroaki Takatsu, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 55　No. 5　2016/05　Research paper (scientific journal)

Dependence of polarity inversion on V/III ratio in -c-GaN growth by oxide vapor phase epitaxy

Yuki Taniyama, Yohei Yamaguchi, Hiroaki Takatsu, Tomoaki Sumi, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 55　No. 5　2016/05　Research paper (scientific journal)

Protein crystallization with paper

Matsuoka Miki, Kakinouchi Keisuke, Adachi Hiroaki, Maruyama Mihoko, Sugiyama Shigeru, Sano Satoshi, Yoshikawa Hiroshi Y, Takahashi Yoshinori, Yoshimura Masashi, Matsumura Hiroyoshi, Murakami Satoshi, Inoue Tsuyoshi, Mori Yusuke, Takano Kazufumi

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 55　No. 5　2016/05　Research paper (scientific journal)

Growth of high-strength protein crystals with nanofibers

Matsuoka Miki, Kakinouchi Keisuke, Adachi Hiroaki, Maruyama Mihoko, Sugiyama Shigeru, Nakabayashi Iori, Tsuchikura Hiroshi, Kuwahara Atsushi, Sano Satoshi, Yoshikawa Hiroshi Y, Takahashi Yoshinori, Yoshimura Masashi, Matsumura Hiroyoshi, Murakami Satoshi, Inoue Tsuyoshi, Mori Yusuke, Takano Kazufumi

APPLIED PHYSICS EXPRESS　Vol. 9　No. 3　2016/03　Research paper (scientific journal)

New development of nuclear generation control technique using a stirring in the Na flux method

Imabayashi Hiroki, Murakami Kosuke, Matsuo Daisuke, Honjo Masatomo, Imanishi Masayuki, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke

Journal of the Japanese Association for Crystal Growth　Vol. 43　No. 4　p. 239-243　2016　Research paper (scientific journal)

Mechanism for enhanced single-crystal GaN growth in the C-assisted Na-flux method

Kawamura Takahiro, Imabayashi Hiroki, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke, Morikawa Yoshitada

APPLIED PHYSICS EXPRESS　Vol. 9　No. 1　2016/01　Research paper (scientific journal)

Dramatic reduction of dislocations on a GaN point seed crystal by coalescence of bunched steps during Na-flux growth

Imanishi Masayuki, Todoroki Yuma, Murakami Kosuke, Matsuo Daisuke, Imabayashi Hiroki, Takazawa Hideo, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke

JOURNAL OF CRYSTAL GROWTH　Vol. 427　p. 87-93　2015/10/01　Research paper (scientific journal)

Homoepitaxial growth of GaN crystals by Na-flux dipping method

Sato Taro, Nakamura Koshi, Imanishi Masayuki, Murakami Kosuke, Imabayashi Hiroki, Takazawa Hideo, Todoroki Yuma, Matsuo Daisuke, Imade Mamoru, Maruyama Mihoko, Yoshimura Masashi, Mori Yusuke

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 54　No. 10　2015/10　Research paper (scientific journal)

Homoepitaxial growth of a-plane GaN layers by reaction between Ga2O vapor and NH3 gas

Tomoaki Sumi, Yuuki Taniyama, Hiroaki Takatsu, Masami Juta, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 54　No. 6　2015/06　Research paper (scientific journal)

Selective crystallization of metastable phase of acetaminophen by ultrasonic irradiation

Mori Yoichiro, Maruyama Mihoko, Takahashi Yoshinori, Ikeda Kenji, Fukukita Suguru, Yoshikawa, Hiroshi Y, Okada Shino, Adachi Hiroaki, Sugiyama Shigeru, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 8　No. 6　2015/06　Research paper (scientific journal)

Highly efficient 355nm UV generation with non-collinear phase-matching by a prism-coupled device based on CsLiB6O10

Chen Qu, Masashi Yoshimura, Yoshinori Takahashi, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 8　No. 5　2015/05　Research paper (scientific journal)

Growth of GaN layers using Ga2O vapor obtained from Ga and H2O vapor

Tomoaki Sumi, Yuuki Taniyama, Hiroaki Takatsu, Masami Juta, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 54　No. 5　2015/05　Research paper (scientific journal)

First-principles investigation of the GaN growth process in carbon-added Na-flux method

Kawamura Takahiro, Imabayashi Hiroki, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke, Morikawa Yoshitada

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS　Vol. 252　No. 5　p. 1084-1088　2015/05　Research paper (scientific journal)

Spiral Growth Can Enhance Both the Normal Growth Rate and Quality of Tetragonal Lysozyme Crystals Grown under a Forced Solution Flow

Hayashi Yuki, Maruyama Mihoko, Yoshimura Masashi, Okada Shino, Yoshikawa, Hiroshi Y, Sugiyama Shigeru, Adachi Hiroaki, Matsumura Hiroyoshi, Inoue Tsuyoshi, Takano Kazufumi, Murakami Satoshi, Mori Yusuke

CRYSTAL GROWTH & DESIGN　Vol. 15　No. 5　p. 2137-2143　2015/05　Research paper (scientific journal)

Selective crystallization of the metastable phase of indomethacin at the interface of liquid/air bubble induced by femtosecond laser irradiation

Ikeda Kenji, Maruyama Mihoko, Takahashi Yoshinori, Mori Yoichiro, Yoshikawa, Hiroshi Y, Okada Shino, Adachi Hiroaki, Sugiyama Shigeru, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 8　No. 4　2015/04　Research paper (scientific journal)

Hopping conduction and piezoelectricity in Fe-doped GaN studied by non-contacting resonant ultrasound spectroscopy

H. Ogi, Y. Tsutsui, N. Nakamura, A. Nagakubo, M. Hirao, M. Imade, M. Yoshimura, Y. Mori

Applied Physics Letters　Vol. 106　2015/03/02　Research paper (scientific journal)

Development of protein seed crystals reinforced with high-strength hydrogels

Sugiyama Shigeru, Shimizu Noriko, Kakinouchi Keisuke, Hiraoka Osamu, Matsumura Hiroyoshi, Yoshikawa Hiroshi Y, Takahashi Yoshinori, Maruyama Mihoko, Yoshimura Masashi, Adachi Hiroaki, Takano Kazufumi, Murakami Satoshi, Inoue Tsuyoshi, Murata Michio, Mori Yusuke

CRYSTENGCOMM　Vol. 17　No. 42　p. 8064-8071　2015　Research paper (scientific journal)

Sub-180 nm generation with borate crystal

Chen Qu, Masashi Yoshimura, Jun Tsunoda, Yushi Kaneda, Mamoru Imade, Takatomo Sasaki, Yusuke Mori

OPTICAL MATERIALS　Vol. 36　No. 12　p. 1970-1972　2014/10　Research paper (scientific journal)

A new practical technique for high quality protein crystallization with the solution stirring technique at the interface between high-concentrated hydrogel and solution

Aoki Yusuke, Maruyama Mihoko, Takahashi Yoshinori, Yoshimura Masashi, Yoshikawa Hiroshi Y, Sugiyama Shigeru, Adachi Hiroaki, Takano Kazufumi, Murakami Satoshi, Matsumura Hiroyoshi, Inoue Tsuyoshi, Mori Yusuke

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 53　No. 6　2014/06　Research paper (scientific journal)

Growth of bulk GaN crystals by the Na-flux point seed technique

Mamoru Imade, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 53　No. 5　2014/05　Research paper (scientific journal)

Effect of H-2 carrier gas on the physical properties of a GaN layer grown using Ga2O vapor and NH3

Yuan Bu, Mamoru Imade, Akira Kitamoto, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JOURNAL OF CRYSTAL GROWTH　Vol. 392　p. 1-4　2014/04　Research paper (scientific journal)

Dramatic increase the growth rate of GaN layers grown from Ga2O vapor by epitaxial growth on HVPE-GaN substrates with a well-prepared surface

Yuan Bu, Akira Kitamoto, Hiroaki Takatsu, Masami Juta, Tomoaki Sumi, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 7　No. 3　2014/03　Research paper (scientific journal)

Ultraviolet laser-induced degradation of CsLiB6O10 and beta-BaB2O4

Kei Takachiho, Masashi Yoshimura, Yoshinori Takahashi, Mamoru Imade, Takatomo Sasaki, Yusuke Mori

OPTICAL MATERIALS EXPRESS　Vol. 4　No. 3　p. 559-567　2014/03　Research paper (scientific journal)

Evaluation of human hairs with terahertz wave

Kazunori Serita, Hironaru Murakami, Iwao Kawayama, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi

OPTICAL ENGINEERING　Vol. 53　No. 3　2014/03　Research paper (scientific journal)

Fabrication of low-curvature 2 in. GaN wafers by Na-flux coalescence growth technique

Mamoru Imade, Masayuki Imanishi, Yuma Todoroki, Hiroki Imabayashi, Daisuke Matsuo, Kosuke Murakami, Hideo Takazawa, Akira Kitamoto, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 7　No. 3　2014/03　Research paper (scientific journal)

Effects of Solution Stirring on the Growth of Bulk GaN Single Crystals by Na Flux Method

Murakami Kousuke, Matsuo Daisuke, Imabayashi Hiroki, Takazawa Hideo, Todoroki Yuma, Kitamoto Akira, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 52　No. 8　2013/08　Research paper (scientific journal)

Structural Analysis of Carbon-Added Na-Ga Melts in Na Flux GaN Growth by First-Principles Calculation

Kawamura Takahiro, Imabayashi Hiroki, Yamada Yuji, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke, Morikawa Yoshitada

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 52　No. 8　2013/08　Research paper (scientific journal)

Protein Crystal Growth under a Forced Solution Flow

丸山美帆子, 中村真利子, 佐崎元, 高橋義典, 吉村政志, 吉川洋史, 杉山成, 安達宏昭, 松村浩由, 井上豪, 高野和文, 村上聡, 森勇介

日本結晶成長学会誌　Vol. 40　No. 2　p. 72-82　2013/07　Research paper (scientific journal)

The effects of surface treatments of the substrates on high-quality GaN crystal growth

Fujimori Taku, Maruyama Mihoko(corresponding author, Honjo Masatomo, Takazawa Hideo, Murakami Kosuke, Imabayashi Hiroki, Todoroki Yuma, Matsuo Daisuke, Imade Mamoru, Yoshimura Masashi, Mori Yusuke

JOURNAL OF CRYSTAL GROWTH　Vol. 372　p. 73-77　2013/06　Research paper (scientific journal)

Scanning Laser Terahertz Emission Source Imaging System

Kazunori Serita, Hironaru Murakami, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi

日本赤外線学会論文　Vol. 23　No. 1　p. 6-12　2013/06　Research paper (scientific journal)

Vapor-liquid-solid growth of thick 2H-SiC layers under CH4 continuous flow

Yusuke Nakagawa, Shin Takeuchi, Akito Ishikawa, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

JOURNAL OF CRYSTAL GROWTH　Vol. 371　p. 23-27　2013/05　Research paper (scientific journal)

Terahertz Comb Spectroscopy Traceable to Microwave Frequency Standard

Yi-Da Hsieh, Yuki Iyonaga, Yoshiyuki Sakaguchi, Shuko Yokoyama, Hajime Inaba, Kaoru Minoshima, Francis Hindle, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Tsutomu Araki, Takeshi Yasui

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY　Vol. 3　No. 3　p. 322-330　2013/05　Research paper (scientific journal)

Effect of Gel-Solution Interface on Femtosecond Laser-Induced Nucleation of Protein

Nakayama Satoshi, Yoshikawa Hiroshi Y, Murai Ryota, Kurata Masateru, Maruyama Mihoko, Sugiyama Shigeru, Aoki Yusuke, Takahashi Yoshinori, Yoshimura Masashi, Nakabayashi Seiichiro, Adachi Hiroaki, Matsumura Hiroyoshi, Inoue Tsuyoshi, Takano Kazufumi, Murakami Satoshi, Mori Yusuke

CRYSTAL GROWTH & DESIGN　Vol. 13　No. 4　p. 1491-1496　2013/04　Research paper (scientific journal)

Growth of Ultrathin and Highly Efficient Organic Nonlinear Optical Crystal 4'-Dimethylamino‑N‑methyl-4-Stilbazolium p‑Chlorobenzenesulfonate for Enhanced Terahertz Efficiency at Higher Frequencies

S. Brahadeeswaran, Y. Takahashi, M. Yoshimura, M. Tani, S. Okada, S. Nashima, Y. Mori, M. Hangyo, H. Ito, T. Sasaki

Cryst. Growth Des.　Vol. 13　No. 2　p. 415-421　2013/02/06　Research paper (scientific journal)

Al Doping of CsLiB6O10 for High Resistance to Ultraviolet-Induced Degradation

Kei Takachiho, Masashi Yoshimura, Yuji Fukushima, Yoshinori Takahashi, Mamoru Imade, Takatomo Sasaki, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 6　No. 2　2013/02　Research paper (scientific journal)

High Temperature Growth of Non-polar a-Plane GaN Film Grown Using Gallium-Oxide as Ga Source

Tomoaki Sumi, Yuan Bu, Akira Kitamoto, Mamoru Imade, Masashi Yoshimura, Masashi Isemura, Yusuke Mori

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 52　No. 2　2013/02　Research paper (scientific journal)

Growth and Evaluation of Bulk GaN Crystals Grown on a Point Seed Crystal by Ba-Added Na Flux Method

Hiroki Imabayashi, Kosuke Murakami, Daisuke Matsuo, Yuma Todoroki, Hideo Takazawa, Akira Kitamoto, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Yusuke Mori

SENSORS AND MATERIALS　Vol. 25　No. 3　p. 165-176　2013　Research paper (scientific journal)

Growth of GaN Crystals by Na Flux Method

Mori Yusuke, Imade Mamoru, Maruyama Mihoko, Yoshimura Masashi

ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY　Vol. 2　No. 8　p. N3068-N3071　2013/01　Research paper (scientific journal)

Coalescence growth of GaN crystals on point seed crystals using the Na flux method

M. Imanishi, K. Murakami, H. Imabayashi, H. Takazawa, Y. Todoroki, D. Matsuo, M. Maruyama, M. Imade, M. Yoshimura, Y. Mori

Physica Status Solidi C　Vol. 10　No. 3　p. 400-404　2013/01　Research paper (scientific journal)

High-Temperature Growth of GaN Single Crystals Using Li-Added Na-Flux Method

Honjo Masatomo, Imabayashi Hiroki, Takazawa Hideo, Todoroki Yuma, Matsuo Daisuke, Murakami Kosuke, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Sasaki Takatomo, Mori Yusuke

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 51　No. 12　2012/12

Coalescence Growth of Dislocation-Free GaN Crystals by the Na-Flux Method

Imanishi Masayuki, Murakami Kosuke, Imabayashi Hiroki, Takazawa Hideo, Todoroki Yuma, Matsuo Daisuke, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Mori Yusuke

APPLIED PHYSICS EXPRESS　Vol. 5　No. 9　2012/09

Vapor-phase epitaxial growth of GaN films using Ga2O vapor and NH3

Mamoru Imade, Yuan Bu, Tomoaki Sumi, Akira Kitamoto, Masashi Yoshimura, Takatomo Sasaki, Masashi Isemura, Yusuke Mori

Journal of Crystal Growth　Vol. 350　No. 1　p. 56-59　2012/07　Research paper (scientific journal)

Growth of bulk GaN crystal by Na flux method under various conditions

Y. Mori, M. Imade, K. Murakami, H. Takazawa, H. Imabayashi, Y. Todoroki, K. Kitamoto, M. Maruyama, M. Yoshimura, Y. Kitaoka, T. Sasaki

JOURNAL OF CRYSTAL GROWTH　Vol. 350　No. 1　p. 72-74　2012/07　Research paper (scientific journal)

Centimeter-Sized Bulk GaN Single Crystals Grown by the Na-Flux Method with a Necking Technique

Mamoru Imade, Kosuke Murakami, Daisuke Matsuo, Hiroki Imabayashi, Hideo Takazawa, Yuma Todoroki, Akira Kitamoto, Mihoko Maruyama, Masashi Yoshimura, Yusuke Mori

CRYSTAL GROWTH & DESIGN　Vol. 12　No. 7　p. 3799-3805　2012/07　Research paper (scientific journal)

Phase-Matching Properties at around 190 nm of Various Borate Crystals

Chen Qu, Masashi Yoshimura, Jun Tsunoda, Kai Zhang, Yushi Kaneda, Mamoru Imade, Takatomo Sasaki, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 5　No. 6　2012/06　Research paper (scientific journal)

Scanning laser terahertz near-field imaging system

Kazunori Serita, Shori Mizuno, Hironaru Murakami, Iwao Kawayama, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Juraj Darmo, Masayoshi Tonouchi

Optics Express　Vol. 20　No. 12　p. 12959-12965　2012/05　Research paper (scientific journal)

The Effects of Ba-Additive on Growth of a-Plane GaN Single Crystals Using Na Flux Method

Masumoto Keiko, Someno Tatsuya, Murakami Kosuke, Imabayashi Hiroki, Takazawa Hideo, Todoroki Yuma, Matsuo Daisuke, Kitamoto Akira, Maruyama Mihoko, Imade Mamoru, Yoshimura Masashi, Kitaoka Yasuo, Sasaki Takatomo, Mori Yusuke

JAPANESE JOURNAL OF APPLIED PHYSICS　Vol. 51　No. 4　2012/04　Research paper (scientific journal)

The effects of substrate surface treatments on growth of a-plane GaN single crystals using Na flux method

K. Masumoto, K. Murakami, H. Imabayashi, H. Takazawa, Y. Todoroki, D. Matsuo, A. Kitamoto, M. Maruyama, M. Imade, M. Yoshimura, Y. Kitaoka, T. Sasaki, Y. Mori

Japanese Journal of Applied Physics　2012/02　Research paper (scientific journal)

Growth of Prismatic GaN Single Crystals with High Transparency on Small GaN Seed Crystals by Ca-Li-Added Na Flux Method

Yusuke Konishi, Keiko Masumoto, Kosuke Murakami, Hiroki Imabayashi, Hideo Takazawa, Yuma Todoroki, Daisuke Matsuo, Mihoko Maruyama, Mamoru Imade, Masashi Yoshimura, Takatomo Sasaki, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 5　No. 2　2012/02　Research paper (scientific journal)

Effect of additives on liquid phase epitaxy growth of non-polar GaN single crystals using Na flux method

K. Masumoto, T. Someno, K. Murakami, H. Imabayashi, H. Takazawa, A. Kitamoto, N. Miyoshi, M. Maruyama, M. Imade, M. Yoshimura, Y. Kitaoka, T. Sasaki, Y. Mori

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS　Vol. 9　No. 3-4　p. 457-460　2012　Research paper (scientific journal)

Growth of GaN films with low oxygen concentration using Ga2O vapor and NH3

Yuan Bu, Mamoru Imade, Hiroki Kishimoto, Masashi Yoshimura, Takatomo Sasaki, Yasuo Kitaoka, Masashi Isemura, Yusuke Mori

JOURNAL OF CRYSTAL GROWTH　Vol. 327　No. 1　p. 89-93　2011/07　Research paper (scientific journal)

Temperature Dependence of Terahertz Wave Generation from DAST Crystal Illuminated by 1.56 μm Fiber Laser

Yoshiaki Takemoto, Kei Takeya, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, Takeshi Matsukawa, Yoshinori Takahashi, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

International Journal of Terahertz Science and Technology　Vol. 4　No. 2　2011/06/30　Research paper (scientific journal)

Control of Growth Facets and Dislocation Propagation Behavior in the Na-Flux Growth of GaN

Mamoru Imade, Yasuhiro Hirabayashi, Naoya Miyoshi, Masashi Yoshimura, Yasuo Kitaoka, Takatomo Sasaki, Yusuke Mori

CRYSTAL GROWTH & DESIGN　Vol. 11　No. 6　p. 2346-2350　2011/06　Research paper (scientific journal)

Low-temperature thermal conductivity of bulk and film-like rubrene single crystals

Y. Okada, M. Uno, Y. Nakazawa, K. Sasai, K. Matsukawa, M. Yoshimura, Y. Kitaoka, Y. Mori, J. Takeya

Physical Review B - Condensed Matter and Materials Physics　Vol. 83　No. 11　2011/03/15　Research paper (scientific journal)

Enhancement of the CsB3O5(CBO) crystal quality by fast cooling after crystal growth

Zengmei Wang, Dodla Rajesh, Masashi Yoshimura, Hiroya Shimatani, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

JOURNAL OF CRYSTAL GROWTH　Vol. 318　No. 1　p. 625-628　2011/03　Research paper (scientific journal)

Growth of bulk GaN crystals by Na flux method

Y. Mori, Y. Kitaoka, M. Imade, N. Miyoshi, M. Yoshimura, T. Sasaki

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS　Vol. 8　No. 5　p. 1445-1449　2011/03　Research paper (scientific journal)

Terahertz Generation and Optical Properties of Lithium Ternary Chalcogenide Crystals

Kei Takeya, Yoshiaki Takemoto, Iwao Kawayama, Hironaru Murakami, Takeshi Matsukawa, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi

Journal of Infrared, Millimeter, and Terahertz Waves　Vol. 32　No. 4　p. 426-433　2011/02/08　Research paper (scientific journal)

Generation of mid- to far-infrared ultrashort pulses in 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystal

Takuya Satoh, Yoshihiro Toya, Shunsuke Yamamoto, Tsutomu Shimura, Kazuo Kuroda, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Satoshi Ashihara

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS　Vol. 27　No. 12　p. 2507-2511　2010/12　Research paper (scientific journal)

Accurate measurement of quadratic nonlinear-optical coefficients of gallium nitride

Makoto Abe, Hiroaki Sato, Ichiro Shoji, Jun Suda, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takashi Kondo

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS　Vol. 27　No. 10　p. 2026-2034　2010/10　Research paper (scientific journal)

Polymorphs of Rubrene Crystal Grown from Solution

Takeshi Matsukawa, Masashi Yoshimura, Masahito Uchiyama, Masakazu Yamagishi, Akiko Nakao, Yoshinori Takahashi, Junichi Takeya, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 49　No. 8R　p. 085502-085502　2010/08/01　Research paper (scientific journal)

Chemical etchant dependence of surface structure and morphology on GaN(0001) substrates

Azusa N. Hattori, Fumio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Ken Hattori, Hiroshi Daimon, Katsuyoshi Endo

Surface Science　Vol. 604　No. 15-16　p. 1247-1253　2010/08　Research paper (scientific journal)

Bulk Crystal Growth of Stilbazolium Derivatives for Terahertz Waves Generation

Takeshi Matsukawa, Masashi Yoshimura, Yoshinori Takahashi, Yoshiaki Takemoto, Kei Takeya, Iwao Kawayama, Shuji Okada, Masayoshi Tonouchi, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 49　No. 7R　p. 075502-075502　2010/07/01　Research paper (scientific journal)

Terahertz emission from coherent phonons in lithium ternary chalcopyrite crystals illuminated by 1560 nm femtosecond laser pulses

K. Takeya, Y. Takemoto, I. Kawayama, H. Murakami, T. Matsukawa, M. Yoshimura, Y. Mori, M. Tonouchi

EPL　Vol. 91　No. 2　2010/07　Research paper (scientific journal)

Growth of GaN crystals by Na flux LPE method

Y. Mori, Y. Kitaoka, M. Imade, F. Kawamura, N. Miyoshi, M. Yoshimura, T. Sasaki

physica status solidi (a)　Vol. 207　No. 6　p. 1283-1286　2010/06/14　Research paper (scientific journal)

Characterization of CsLiB₆O₁₀ Crystal Grown in a Dry Atmosphere

Takahiro Kawamura, Yohei Shimizu, Masashi Yoshimura, Yuji Fukushima, Masato Nishioka, Yushi Kaneda, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 49　No. 6R　p. 065502-065502　2010/06/01　Research paper (scientific journal)

Development of laser scanning terahertz imaging system using organic nonlinear optical crystal

Kazunori Serita, Shori Mizuno, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, Yoshinori takahashi, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori

信学技報　Vol. 110　No. 66　p. 9-13　2010/05　Research paper (scientific journal)

Crystal growth of in a dry atmosphere and from a stoichiometric melt composition

Takahiro Kawamura, Masashi Yoshimura, Yohei Shimizu, Masato Nishioka, Yuji Fukushima, Yushi Kaneda, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 312　No. 8　p. 1118-1121　2010/04　Research paper (scientific journal)

Vapor-phase epitaxy of high-crystallinity GaN films using Ga2O vapor and NH3

Mamoru Imade, Hiroki Kishimoto, Fumio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Takatomo Sasaki, Yusuke Mori

Journal of Crystal Growth　Vol. 312　No. 5　p. 676-679　2010/02　Research paper (scientific journal)

Growth of thin rubrene single crystals from 1-propanol solvent

Takeshi Matsukawa, Masashi Yoshimura, Kenichi Sasai, Masahito Uchiyama, Masakazu Yamagishi, Yukihiro Tominari, Yoshinori Takahashi, Junichi Takeya, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 312　No. 2　p. 310-313　2010/01　Research paper (scientific journal)

Generation of mid/far-infrared ultrashort pulses in organic crystals

K. Kuroda, Y. Toya, T. Satoh, T. Shimura, S. Ashihara, Y. Takahashi, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Physics: Conference Series　Vol. 206　2010　Research paper (international conference proceedings)

Growth of Large GaN Single Crystals on High-Quality GaN Seed by Carbon-Added Na Flux Method

Mamoru Imade, Yasuhiro Hirabayashi, Yusuke Konishi, Hiroshi Ukegawa, Naoya Miyoshi, Masashi Yoshimura, Takatomo Sasaki, Yasuo Kitaoka, Yusuke Mori

APPLIED PHYSICS EXPRESS　Vol. 3　No. 7　2010　Research paper (scientific journal)

Study of the metastable region in the growth of GaN using the Na flux method

Fumio Kawamura, Masanori Morishita, Naoya Miyoshi, Mamoru Imade, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 311　No. 22　p. 4647-4651　2009/11　Research paper (scientific journal)

Observation of Strain Effects of SrTiO₃Thin Films by Terahertz Time-Domain Spectroscopy with a 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Emitter

Ryuhei Kinjo, Iwao Kawayama, Kei Takeya, Hironaru Murakami, Takeshi Matsukawa, Yoshinori Takahashi, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki, Masayoshi Tonouchi

Japanese Journal of Applied Physics　Vol. 48　No. 9　p. 09KA16-09KA16　2009/09/24　Research paper (scientific journal)

Growth of GaN single crystals with extremely low dislocation density by two-step dislocation reduction

Fumio Kawamura, Masaki Tanpo, Naoya Miyoshi, Mamoru Imade, Masashi Yoshimura, Yusuke Mori, Yasuo Kitaoka, Takatomo Sasaki

Journal of Crystal Growth　Vol. 311　No. 10　p. 3019-3024　2009/05　Research paper (scientific journal)

有機非線形光学結晶を用いたフェムト秒光パルス励起テラヘルツ電磁波発生

斗内 政吉, 鈴木 正人, 川山 巌, 村上 博成, 高橋 義典, 松川 健, 吉村 政志, 森 勇介, 北岡 康夫, 佐々木 孝友

レーザー研究　Vol. 37　No. 5　p. 355-360　2009/05　Research paper (scientific journal)

Effect of water impurity in CsLiB6O10 crystals on bulk laser-induced damage threshold and transmittance in the ultraviolet region

Takahiro Kawamura, Masashi Yoshimura, Yoshiyuki Honda, Masato Nishioka, Yohei Shimizu, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Applied Optics　Vol. 48　No. 9　p. 1658-1658　2009/03/11　Research paper (scientific journal)

Liquid-phase epitaxy of 2H–SiC film on a (0001) 4H–SiC substrate in Li–Si melt

Mamoru Imade, Takashi Ogura, Masahiro Uemura, Fumio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Takatomo Sasaki, Yusuke Mori, Masanobu Yamazaki, Shigekazu Suwabe, Shin-ichi Nakashima

Materials Letters　Vol. 63　No. 8　p. 649-651　2009/03　Research paper (scientific journal)

Development of DAST-derivative crystals for terahertz waves generation

Takeshi Matsukawa, Yoshinori Takahashi, Ryo Miyabara, Hiroki Koga, Hirohito Umezawa, Iwao Kawayama, Masashi Yoshimura, Shuji Okada, Masayoshi Tonouchi, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 311　No. 3　p. 568-571　2009/01　Research paper (scientific journal)

Solution Growth of Rubrene Single Crystals Using Various Organic Solvents

Takeshi Matsukawa, Yoshinori Takahashi, Tsukasa Tokiyama, Kenichi Sasai, Yusuke Murai, Nobuhiro Hirota, Yukihiro Tominari, Norihisa Mino, Masashi Yoshimura, Masayuki Abe, Junichi Takeya, Yasuo Kitaoka, Yusuke Mori, Seizo Morita, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 47　No. 12R　p. 8950-8950　2008/12/01　Research paper (scientific journal)

Thermal Conductivity of SiC Calculated by Molecular Dynamics

Takahiro Kawamura, Daisuke Hori, Yoshihiro Kangawa, Koichi Kakimoto, Masashi Yoshimura, Yusuke Mori

Japanese Journal of Applied Physics　Vol. 47　No. 12R　p. 8898-8898　2008/12/01　Research paper (scientific journal)

UV laser-induced damage tolerance measurements of CsB3O5 crystals and its application for UV light generation

D. Rajesh, M. Yoshimura, T. Eiro, Y. Mori, T. Sasaki, R. Jayavel, T. Kamimura, T. Katsura, T. Kojima, J. Nishimae, K. Yasui

OPTICAL MATERIALS　Vol. 31　No. 2　p. 461-463　2008/10　Research paper (scientific journal)

Investigations on Scattering Centers in CsB₃O₅ Crystals

D. Rajesh, M. Yoshimura, H. Shimatani, Y. Mori, R. Jayavel, T. Sasaki

Crystal Growth & Design　Vol. 8　No. 10　p. 3713-3716　2008/09/12　Research paper (scientific journal)

Surface Characterization of GaN(0001) Grown by Liquid Phase Epitaxy Using Coaxial Impact-Collision Ion Scattering Spectroscopy

Hirofumi Suto, Shunjiro Fujii, Fumio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Shin-ichi Honda, Mitsuhiro Katayama

Japanese Journal of Applied Physics　Vol. 47　No. 9R　p. 7281-7281　2008/09/01　Research paper (scientific journal)

Effect of carbon additive on increases in the growth rate of 2in GaN single crystals in the Na flux method

Fumio Kawamura, Masanori Morishita, Masaki Tanpo, Mamoru Imade, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 310　No. 17　p. 3946-3949　2008/08　Research paper (scientific journal)

Continuous-wave all-solid-state 244 nm deep-ultraviolet laser source by fourth-harmonic generation of an optically pumped semiconductor laser using CsLiB_6O_10 in an external resonator

Yushi Kaneda, J. M. Yarborough, Li Li, N. Peyghambarian, Li Fan, Chris Hessenius, Mahmoud Fallahi, Jörg Hader, Jerome V. Moloney, Yoshiyuki Honda, Masato Nishioka, Youhei Shimizu, Kenshi Miyazono, Hiroya Shimatani, Masashi Yoshimura, Yusuke Mori, Yasuo Kitaoka, Takatomo Sasaki

Optics Letters　Vol. 33　No. 15　p. 1705-1705　2008/07/25　Research paper (scientific journal)

Corneal ablation with new 193 nm solid-state laser

Tomoya Nakagawa, Naoyuki Maeda, Osman Cekic, Takashi Fujikado, Yasuo Tano, Atsutoshi Murakami, Masashi Yoshimura, Yusuke Mori, Takamoto Sasaki, Hiroshi Kitano, Soichi Owa

Journal of Cataract and Refractive Surgery　Vol. 34　No. 6　p. 1019-1023　2008/06　Research paper (scientific journal)

Removal of scattering centers in CBO crystals by the vapor transport equilibration process

D. Rajesh, T. Eiro, M. Yoshimura, Y. Mori, R. Jayavel, T. Sasaki

Journal of Crystal Growth　Vol. 310　No. 7-9　p. 1950-1953　2008/04　Research paper (scientific journal)

New developments in crystal growth from solutions: Oxides, proteins, and nitrides

T. Sasaki, Y. Mori, F. Kawamura, M. Yoshimura, Y. Kitaoka

Journal of Crystal Growth　Vol. 310　No. 7-9　p. 1288-1297　2008/04　Research paper (scientific journal)

Growth of 2H–SiC single crystals in a Li-based flux

Fumio Kawamura, Takashi Ogura, Mamoru Imade, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Materials Letters　Vol. 62　No. 6-7　p. 1048-1051　2008/03　Research paper (scientific journal)

Improved efficiency of a pulsed optical parametric oscillator by delayed double-pass pump

Yushi Kaneda, N. Peyghambarian, Kenshi Miyazono, Hiroya Shimatani, Yoshiyuki Honda, Masashi Yoshimura, Yusuke Mori, Yasuo Kitaoka, Takatomo Sasaki

Optics Letters　Vol. 33　No. 3　p. 231-231　2008/01/25　Research paper (scientific journal)

The effects of growth temperature on the crystallinity of GaN in gallium hydride vapor phase epitaxy method

Norihide Yamada, Mamoru Made, Yoshihiro Kitano, Furnio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Takatomo Sasaki, Yusuke Mori

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 6　Vol. 5　No. 6　p. 1606-1608　2008　Research paper (scientific journal)

Increase in the growth rate of GaN single crystals grown by gallium hydride vapor phase epitaxy method

Mamoru Imade, Norihide Yamada, Yoshihiro Kitano, Fumio Kawamura, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 5, NO 6　Vol. 5　No. 6　p. 1719-1722　2008　Research paper (scientific journal)

Effect of Thermal Convection on Liquid Phase Epitaxy of GaN by Na Flux Method

Ryohei Gejo, Fumio Kawamura, Minoru Kawahara, Masashi Yoshimura, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 46　No. 12R　p. 7689-7689　2007/12/01　Research paper (scientific journal)

Development of DAST crystals with high damage tolerance

Y. Takahashi, S. Onduka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, T. Sasaki

Optical Materials　Vol. 30　No. 1　p. 116-118　2007/09　Research paper (scientific journal)

Development of DAST crystals with high damage tolerance

Y. Takahashi, S. Onduka, S. Brahadeeswaran, M. Yoshimura, Y. Mori, T. Sasaki

OPTICAL MATERIALS　Vol. 30　No. 1　p. 116-118　2007/09　Research paper (scientific journal)

A first-principles study on nitrogen solubility in Na flux toward theoretical search for a novel flux for bulk GaN growth

Minoru Kawahara, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Susumu Yanagisawa, Yoshitada Morikawa

Journal of Crystal Growth　Vol. 303　No. 1　p. 34-36　2007/05　Research paper (scientific journal)

A first-principles investigation on the mechanism of nitrogen dissolution in the Na flux method

M. Kawahara, F. Kawamura, M. Yoshimura, Y. Mori, T. Sasaki, S. Yanagisawa, Y. Morikawa

Journal of Applied Physics　Vol. 101　No. 6　2007/03/15　Research paper (scientific journal)

Liquid Phase Epitaxy Growth of m-Plane GaN Substrate Using the Na Flux Method

Tomoya Iwahashi, Yasuo Kitaoka, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Rob Armitage, Hideki Hirayama

Japanese Journal of Applied Physics　Vol. 46　No. 3L　p. L227-L227　2007/03/01　Research paper (scientific journal)

Single Crystal Preparation of DAST for Terahertz-Wave Generation

Yoshihiro Mineno, Takeshi Matsukawa, Satoshi Ikeda, Tetsuo Taniuchi, Hachiro Nakanishi, Shuji Okada, Hiroaki Adachi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Molecular Crystals and Liquid Crystals　Vol. 463　No. 1　p. 55/[337]-61/[343]　2007/01/22　Research paper (scientific journal)

Fabrication of a-Plane GaN Substrate Using the Sr–Na Flux Liquid Phase Epitaxy Technique

Tomoya Iwahashi, Yasuo Kitaoka, Minoru Kawahara, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Rob Armitage, Hideki Hirayama

Japanese Journal of Applied Physics　Vol. 46　No. 2L　p. L103-L103　2007/01/19　Research paper (scientific journal)

Suppression of Narrow-Line Defects in Organic 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Crystals through Uninterrupted Solution Stirring during Growth Process

Yoshinori Takahashi, Shinji Onzuka, Srinivasan Brahadeeswaran, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 46　No. 1R　p. 324-324　2007/01/01　Research paper (scientific journal)

Effect of Crystal Defects on Laser-Induced-Damage Tolerance of Organic Crystal, 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate

Yoshinori Takahashi, Kazumasa Sugiyama, Srinivasan Brahadeeswaran, Shinji Onzuka, Tomosumi Kamimura, Masashi Yoshimura, Yusuke Mori, Kunio Yoshida, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 46　No. 1R　p. 318-318　2007/01/01　Research paper (scientific journal)

Growth of a Two-Inch GaN Single Crystal Substrate Using the Na Flux Method

Fumio Kawamura, Hidekazu Umeda, Masanori Morishita, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Yasuo Kitaoka

Japanese Journal of Applied Physics　Vol. 45　No. 11L　p. L1136-L1136　2006/10/27　Research paper (scientific journal)

Twin-free and High-Quality DAST Crystals − Effected through Solutions of Lower Supersaturation Coupled with Isothermal Solvent Evaporation

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, T. Kamimura, M. Yoshimura, Y. Mori, K. Yoshida, T. Sasaki

Crystal Growth & Design　Vol. 6　No. 11　p. 2463-2468　2006/10/11　Research paper (scientific journal)

Organic nonlinear optical DAST crystals for electro-optic measurement and terahertz wave generation

Yoshinori Takahashi, Hiroaki Adachi, Tetsuo Taniuchi, Masayuki Takagi, Youichiroh Hosokawa, Shinji Onzuka, Srinivasan Brahadeeswaran, Masashi Yoshimura, Yusuke Mori, Hiroshi Masuhara, Takatomo Sasaki, Hachiro Nakanishi

Journal of Photochemistry and Photobiology A: Chemistry　Vol. 183　No. 3　p. 247-252　2006/10　Research paper (scientific journal)

Examination of Effects of H₂ Concentration in Reactant Gas on GaN Growth by Gallium Hydride Vapor Phase Epitaxy

Mamoru Imade, Fumio Kawamura, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 45　No. 9L　p. L878-L878　2006/08/18　Research paper (scientific journal)

Growth of high-quality DAST crystals for THz applications

S. Brahadeeswaran, S. Onduka, M. Takagi, Y. Takahashi, H. Adachi, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 292　No. 2　p. 441-444　2006/07　Research paper (scientific journal)

Temperature phase-matching properties for harmonic generation in GdCa_4O(BO_3)_3 and Gd_xY_1-xCa_4O(BO_3)_3

Nobuhiro Umemura, Kentaro Miyata, Kiyoshi Kato, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Applied Optics　Vol. 45　No. 16　p. 3859-3859　2006/06/01　Research paper (scientific journal)

Drastic Decrease in Dislocations during Liquid Phase Epitaxy Growth of GaN Single Crystals Using Na flux Method without Any Artificial Processes

Fumio Kawamura, Hidekazu Umeda, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Hideaki Okado, Kazuto Arakawa, Hirotaro Mori

Japanese Journal of Applied Physics　Vol. 45　No. 4R　p. 2528-2528　2006/04/01　Research paper (scientific journal)

Dependences of Laser-Induced Bulk Damage Threshold and Crack Patterns in Several Nonlinear Crystals on Irradiation Direction

Hidetsugu Yoshida, Hisanori Fujita, Masahiro Nakatsuka, Masashi Yoshimura, Takatomo Sasaki, Tomosumi Kamimura, Kunio Yoshida

Japanese Journal of Applied Physics　Vol. 45　No. 2R　p. 766-766　2006/02/01　Research paper (scientific journal)

Homoepitaxial growth of GaN single crystals using gallium hydride

M. Imade, M. Kawahara, F. Kawamura, M. Yoshimura, Y. Mori, T. Sasaki

Materials Letters　Vol. 59　No. 29-30　p. 4026-4029　2005/12　Research paper (scientific journal)

Monolithic wavelength converter for ultraviolet light by use of a GdxY1-xCa4O(BO3)(3) crystal

S Hatano, M Yoshimura, Y Mori, T Sasaki, S Ito

APPLIED OPTICS　Vol. 44　No. 35　p. 7651-7658　2005/12　Research paper (scientific journal)

Promoted nitrogen dissolution due to the addition of Li or Ca to Ga-Na melt; some effects of additives on the growth of GaN single crystals using the sodium flux method

Masanori Morishita, Fumio Kawamura, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 284　No. 1-2　p. 91-99　2005/10　Research paper (scientific journal)

Improvement in UV Optical Properties of CsLiB₆O₁₀ by Reducing Water Molecules in the Crystal

Muneyuki Nishioka, Ai Kanoh, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Tomotaka Katsura, Tetsuo Kojima, Junichi Nishimae

Japanese Journal of Applied Physics　Vol. 44　No. 5L　p. L699-L699　2005/05/01　Research paper (scientific journal)

Characterization of Two-Photon Absorption Related to the Enhanced Bulk Damage Resistance in CsLiB₆O₁₀ Crystal

Tomosumi Kamimura, Ryosuke Nakamura, Hideo Horibe, Munenori Nishioka, Masashi Yamamoto, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Kunio Yoshida

Japanese Journal of Applied Physics　Vol. 44　No. 5L　p. L665-L665　2005/05/01　Research paper (scientific journal)

Growth of CsLiB6O10 crystals with high laser-damage tolerance

M. Nishioka, A. Kanoh, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 279　No. 1-2　p. 76-81　2005/05　Research paper (scientific journal)

Synthesis of AlN Grains and Liquid-Phase-Epitaxy (LPE) Growth of AlN Films Using Sn-Ca Mixed Flux

Hiroaki Isobe, Fumio Kawamura, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 44　No. 4L　p. L488-L488　2005/04/01　Research paper (scientific journal)

Femtosecond Laser-Induced Crystallization of 4-(Dimethylamino)-N-methyl-4-stilbazolium Tosylate

Yoichiroh Hosokawa, Hiroaki Adachi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Hiroshi Masuhara

Crystal Growth & Design　Vol. 5　No. 3　p. 861-863　2005/03/11　Research paper (scientific journal)

355-nm UV Light Generation in High-Quality CsB₃O₅ Fabricated by Post-Growth Heat Treatment

Takashi Saji, Masashi Yoshimura, Naoto Hisaminato, Yusuke Mori, Takatomo Sasaki, Tomoki Katsura, Tetsuo Kojima, Junichi Nishimae

Japanese Journal of Applied Physics　Vol. 44　No. 3L　p. L422-L422　2005/03/01　Research paper (scientific journal)

Influence of dopants on photo-induced damage in GdxY1−xCa4O(BO3)3 crystal

Srinivasan Brahadeeswaran, Ryo Kuwabara, Naoto Hisaminato, Yutaka Syuto, Kenichi Sato, Hiroshi Kitano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 275　No. 1-2　p. e881-e886　2005/02　Research paper (scientific journal)

Design and growth of new NLO crystals for UV light generation

Zhang-Gui Hu, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 275　No. 1-2　p. 232-239　2005/02　Research paper (scientific journal)

The effects of Na and some additives on nitrogen dissolution in the Ga-Na system: A growth mechanism of GaN in the Na flux method

F. Kawamura, M. Morishita, K. Omae, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Materials Science: Materials in Electronics　Vol. 16　No. 1　p. 29-34　2005/01　Research paper (scientific journal)

A Systematic study on the growth of GaN single crystals using the Na-based flux method

M. Kawahara, Y. Yamada, H. Umeda, M. Morishita, F. Kawamura, M. Yoshimura, Y. Mori, T. Sasaki

JOURNAL OF CERAMIC PROCESSING RESEARCH　Vol. 6　No. 2　p. 146-152　2005/01　Research paper (scientific journal)

Growth of nonlinear optical crystal CsB3O5 from self-flux solution

T. Saji, N. Hisaminato, M. Nishioka, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 274　No. 1-2　p. 183-190　2005/01　Research paper (scientific journal)

A palm-size ultraviolet laser using a combination of a monolithic wavelength converter and an optical fiber

S Hatano, S Ito, M Yoshimura, Y Mori, T Sasaki

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS　Vol. 44　No. 46-49　p. L1466-L1468　2005　Research paper (scientific journal)

Synthesis of GaN Crystal Using Gallium Hydride

Fumio Kawamura, Mamoru Imade, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 44　No. 1L　p. L1-L1　2004/12/10　Research paper (scientific journal)

The influences of supersaturation on LPE growth of GaN single crystals using the Na flux method

Masanori Morishita, Fumio Kawamura, Minoru Kawahara, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 270　No. 3-4　p. 402-408　2004/10　Research paper (scientific journal)

Growth and characterization of nonlinear optical borate crystals CsLiB6O10, CsB3O5, and BaAlBO3F2

M Yoshimura, Y Mori, Z.G Hu, T Sasaki

Optical Materials　Vol. 26　No. 4　p. 421-423　2004/09　Research paper (scientific journal)

High-Quality Organic 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate (DAST) Crystals for THz Wave Generation

Hiroaki Adachi, Tetsuo Taniuchi, Masashi Yoshimura, Srinivasan Brahadeeswaran, Teruaki Higo, Masayuki Takagi, Yusuke Mori, Takatomo Sasaki, Hachiro Nakanishi

Japanese Journal of Applied Physics　Vol. 43　No. 8B　p. L1121-L1121　2004/07/30　Research paper (scientific journal)

Growth of Thick GaN Films with High Growth Rate Using Sublimation Method under High Pressure

Mamoru Imade, Satoru Kobayashi, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 43　No. 4A　p. L486-L486　2004/03/19　Research paper (scientific journal)

Growth of High-Quality CsLiB₆O₁₀ Crystals from Materials Mixed in Aqueous Solution

Muneyuki Nishioka, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 43　No. 3R　p. 1073-1073　2004/03/01　Research paper (scientific journal)

Controlled Habit and Growth, and Electrooptic Evaluation of Organic Nonlinear Optical 4-Dimethylamino-N-Methyl-4-Stilbazolium Tosylate (DAST) Crystals

Kazuaki Nagaoka, Hiroaki Adachi, Srinivasan Brahadeeswaran, Teruaki Higo, Masayuki Takagi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 43　No. No. 2B　p. L261-L263　2004/01/23　Research paper (scientific journal)

Optical Property of GaN Single Crystals Grown by Liquid Phase Epitaxy (LPE)

Kunimichi Omae, Tomoya Iwahashi, Fumio Kawamura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 43　No. No. 2A　p. L173-L175　2004/01/09　Research paper (scientific journal)

Growth of a new nonlinear optical crystal—BaAlBO3F2

Zhang-Gui Hu, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 260　No. 3-4　p. 287-290　2004/01　Research paper (scientific journal)

Thermoelectric Properties of Two Na_xCoO₂Crystallographic Phases

Masashi Mikami, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Ryoji Funahashi, Masahiro Shikano

Japanese Journal of Applied Physics　Vol. 42　No. Part 1, No. 12　p. 7383-7386　2003/12/10　Research paper (scientific journal)

High-temperature thermoelectric properties of single-crystal Ca3Co2O6

M. Mikami, R. Funahashi, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Applied Physics　Vol. 94　No. 10　p. 6579-6582　2003/11/15　Research paper (scientific journal)

Generation of Tunable Near-UV Laser Radiation by Type-I Second-Harmonic Generation in a New Crystal, K₂Al₂B₂O₇(KABO)

Pathik Kumbhakar, Shunsuke Adachi, Zhang-Gui Hu, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Takayoshi Kobayashi

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 10B　p. L1255-L1258　2003/10/08　Research paper (scientific journal)

New Practical Technique for Protein Crystallization with Floating and Stirring Methods

Hiroaki Adachi, Hiroyoshi Matsumura, Kazufumi Takano, Ai Niino, Tsuyoshi Inoue, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 10A　p. L1161-L1163　2003/10　Research paper (scientific journal)

Temperature-Insensitive Second-Harmonic Generation at 0.5321 µm in YCa₄O(BO₃)₃

Nobuhiro Umemura, Miwako Ando, Kaori Suzuki, Eiko Takaoka, Kiyoshi Kato, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 1, No. 8　p. 5040-5042　2003/08/15　Research paper (scientific journal)

Novel Liquid Phase Epitaxy (LPE) Growth Method for Growing Large GaN Single Crystals: Introduction of the Flux Film Coated-Liquid Phase Epitaxy (FFC-LPE) Method

Fumio Kawamura, Masanori Morishita, Kunimichi Omae, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 8A　p. L879-L881　2003/08/01　Research paper (scientific journal)

Laser Irradiated Growth of Protein Crystal

Hiroaki Adachi, Kazufumi Takano, Youichiroh Hosokawa, Tsuyoshi Inoue, Yusuke Mori, Hiroyoshi Matsumura, Masashi Yoshimura, Yasuo Tsunaka, Masaaki Morikawa, Shigenori Kanaya, Hiroshi Masuhara, Yasushi Kai, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 7B　p. L798-L800　2003/07/15　Research paper (scientific journal)

Cesium accumulation at CsB3O5 optical surface

V.V. Atuchin, L.D. Pokrovsky, V.G. Kesler, N.Yu. Maklakova, M. Yoshimura, N. Ushiyama, T. Matsui, K. Kamimura, Y. Mori, T. Sasaki

Optical Materials　Vol. 23　No. 1-2　p. 377-383　2003/07　Research paper (scientific journal)

Growth of K2Al2B2O7 crystal for UV light generation

Z.-G. Hu, M. Yoshimura, Y. Mori, T. Sasaki, K. Kato

Optical Materials　Vol. 23　No. 1-2　p. 353-356　2003/07　Research paper (scientific journal)

Progress in the growth of a CsLiB6O10 crystal and its application to ultraviolet light generation

Takatomo Sasaki, Yusuke Mori, Masashi Yoshimura

Optical Materials　Vol. 23　No. 1-2　p. 343-351　2003/07　Research paper (scientific journal)

Growth of Transparent, Large Size GaN Single Crystal with Low Dislocations Using Ca-Na Flux System

Fumio Kawamura, Tomoya Iwahashi, Masanori Morishita, Kunimichi Omae, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 7A　p. L729-L731　2003/07/01　Research paper (scientific journal)

High-quality organic 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) crystal for electro-optic measurement

H Adachi, K Nagaoka, F Tsunesada, M Yoshimura, Y Mori, T Sasaki, A Sasaki, T Nagatsuma, Y Ochiai, N Fukasaku

IEICE TRANSACTIONS ON ELECTRONICS　Vol. E86C　No. 7　p. 1352-1358　2003/07　Research paper (scientific journal)

Effects of KCl Addition on the K₂CO₃Flux Growth of Ca₃Co₄O₉Crystals for a Thermoelectric Device

Masashi Mikami, Shigeki Ohtsuka, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Ryoji Funahashi, Masahiro Shikano

Japanese Journal of Applied Physics　Vol. 42　No. Part 1, No. 6A　p. 3549-3551　2003/06/15　Research paper (scientific journal)

Effects of ammonia gas on threshold pressure and seed growth for bulk GaN single crystals by Na flux method

Tomoya Iwahashi, Fumio Kawamura, Masanori Morishita, Yasunori Kai, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 253　No. 1-4　p. 1-5　2003/06　Research paper (scientific journal)

Growth of Bulk GaN Single Crystals Using Li-Na Mixed Flux System

Masanori Morishita, Fumio Kawamura, Tomoya Iwahashi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 6A　p. L565-L567　2003/06/01　Research paper (scientific journal)

200-mW-average power ultraviolet generation at 0193 μm in K2Al2B2O7

Nobuhiro Umemura, Miwako Ando, Kaori Suzuki, Eiko Takaoka, Kiyoshi Kato, Zhang-Gui Hu, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Applied Optics　Vol. 42　No. 15　p. 2716-2716　2003/05/20　Research paper (scientific journal)

Effective Protein Crystallization Using Crystal Hysteresis

Hiroaki Adachi, Kazufumi Takano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 4A　p. L384-L385　2003/04/01　Research paper (scientific journal)

Application of a Stirring Method to Micro-Scale and Vapor Diffusion Protein Crystallization

Hiroaki Adachi, Kazufumi Takano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 3B　p. L314-L315　2003/03/15　Research paper (scientific journal)

Synthesis of Low-Resistivity Aluminum Nitride Films Using Pulsed Laser Deposition

Yasunori Kai, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 3A　p. L229-L231　2003/03/01　Research paper (scientific journal)

Efficient 355-nm generation in CsB3O5 crystal

H. Kitano, T. Matsui, K. Sato, N. Ushiyama, M. Yoshimura, Y. Mori, T. Sasaki

Optics Letters　Vol. 28　No. 4　p. 263-263　2003/02/15　Research paper (scientific journal)

387-nm Generation in Gd_xY_1-xCa₄O(BO₃)₃Crystal and Its Utilization for 193-nm Light Source

Hiroshi Kitano, Hitoshi Kawai, Ken-ichi Muramatsu, Soichi Owa, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No. 2B　p. L166-L169　2003/02/15　Research paper (scientific journal)

Growth of a Large GaN Single Crystal Using the Liquid Phase Epitaxy (LPE) Technique

Fumio Kawamura, Tomoya Iwahashi, Kunimichi Omae, Masanori Morishita, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 42　No. Part 2, No.1A/B　p. L4-L6　2003/01/15　Research paper (scientific journal)

Reinvestigation of the crystal structure of barium aluminum borate difluoride, BaAlBO3F2, a new nonlinear optical material

ZG Hu, K Maramatsu, N Kanehisa, M Yoshimura, Y Mori, T Sasaki, Y Kai

ZEITSCHRIFT FUR KRISTALLOGRAPHIE-NEW CRYSTAL STRUCTURES　Vol. 218　No. 1　p. 1-2　2003/01　Research paper (scientific journal)

Application of a two-liquid system to sitting-drop vapour-diffusion protein crystallization

Hiroaki Adachi, Kazufumi Takano, Masaaki Morikawa, Shigenori Kanaya, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Acta Crystallographica Section D Biological Crystallography　Vol. 59　No. 1　p. 194-196　2002/12/20　Research paper (scientific journal)

Synthesis of Bulk GaN Single Crystals Using Na-Ca Flux

Fumio Kawamura, Masaki Morishita, Tomoya Iwahashi, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 41　No. Part 2, No. 12B　p. L1440-L1442　2002/12/15　Research paper (scientific journal)

A New Nonlinear Optical Crystal-BaAlBO3F2(BABF)

Zhang-Gui Hu, Masashi Yoshimura, Kenichi Muramatsu, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 41　No. Part 2, No. 10B　p. L1131-L1133　2002/10/15　Research paper (scientific journal)

Formation of aligned carbon nanotubes by RF-plasma-assisted pulsed-laser deposition

Y.K. Yap, M. Yoshimura, Y. Mori, T. Sasaki, T. Hanada

Physica B: Condensed Matter　Vol. 323　No. 1-4　p. 341-343　2002/10　Research paper (scientific journal)

Electro-Optic Measurement Using High-Quality 4-dimethylamino-N-methyl-4-stilbazolium Tosylate (DAST) Crystal

Hiroaki Adachi, Kazuaki Nagaoka, Fumi Tsunesada, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Ai-ichiro Sasaki, Tadao Nagatsuma, Yuta Ochiai, Noboru Fukasaku

Japanese Journal of Applied Physics　Vol. 41　No. 10A　p. L1028-L1028　2002/10/01　Research paper (scientific journal)

Promotion of Large Protein Crystal Growth with Stirring Solution

Hiroaki Adachi, Kazufumi Takano, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 41　No. 10A　p. L1025-L1025　2002/10/01　Research paper (scientific journal)

Re-evaporation effect on the surface morphology of Gd Y1−Ca4O(BO3)3 films grown by combinatorial laser molecular-beam epitaxy

T.-W Kim, N Arai, H Kubota, H Koinuma, Y Matsumoto, M Yoshimura, H Furuya, H Nakao, Y Mori, T Sasaki

Applied Surface Science　Vol. 197-198　p. 406-410　2002/09　Research paper (scientific journal)

Crystal Growth of Thermoelectric Material NaxCoO2-δ by a Flux Method

Masashi Mikami, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Ryoji Funahashi, Ichiro Matsubara

Japanese Journal of Applied Physics　Vol. 41　No. Part 2, No. 7A　p. L777-L779　2002/07/01　Research paper (scientific journal)

Growth of Protein Crystal at Interface between Two Liquids Using Slow Cooling Method

Hiroaki Adachi, Takahiro Watanabe, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 41　No. Part 2, No. 6B　p. L726-L728　2002/06/15　Research paper (scientific journal)

Investigation of the Gd Variation of GdxY1-xCa4O(BO3)3 Crystal and Its Application

Hiroshi Nakao, Kenichiro Kawamura, Hiroyuki Furuya, Itsunari Yamada, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 41　No. Part 2, No. 6B　p. L723-L725　2002/06/15　Research paper (scientific journal)

Coherence–incoherence and dimensional crossover in layered strongly correlated metals

T. Valla, P. D. Johnson, Z. Yusof, B. Wells, Q. Li, S. M. Loureiro, R. J. Cava, M. Mikami, Y. Mori, M. Yoshimura, T. Sasaki

Nature　Vol. 417　No. 6889　p. 627-630　2002/06　Research paper (scientific journal)

Enhancement of CsLiB_6O_10 surface-damage resistance by improved crystallinity and ion-beam etching

T. Kamimura, S. Fukumoto, R. Ono, Y. K. Yap, M. Yoshimura, Y. Mori, T. Sasaki, K. Yoshida

Optics Letters　Vol. 27　No. 8　p. 616-616　2002/04/15　Research paper (scientific journal)

Selective growth of flowerlike carbon structures by Radio Frequency plasma-assisted pulsed-laser deposition

Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

The Journal of Chemical Physics　Vol. 116　No. 14　p. 6286-6290　2002/04/08　Research paper (scientific journal)

Hybridized boron–carbon nitride fibrous nanostructures on Ni substrates

Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Applied Physics Letters　Vol. 80　No. 14　p. 2559-2561　2002/04/08　Research paper (scientific journal)

Influence of pressure control on the growth of bulk GaN single crystal using a Na flux

M. Onda, T. Iwahashi, M. Okamoto, Y.K. Yap, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 237-239　p. 2112-2115　2002/04　Research paper (scientific journal)

High-quality crystal growth of organic nonlinear optical crystal DAST

F. Tsunesada, T. Iwai, T. Watanabe, H. Adachi, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 237-239　p. 2104-2106　2002/04　Research paper (scientific journal)

The crystal growth and nonlinear optical properties of K2Al2B2O7

Zhang-Gui Hu, Naoki Ushiyama, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 237-239　p. 654-657　2002/04　Research paper (scientific journal)

Effect of crystallinity on the bulk laser damage and UV absorption of CLBO crystals

R. Ono, T. Kamimura, S. Fukumoto, Y.K. Yap, M. Yoshimura, Y. Mori, T. Sasaki, K. Yoshida

Journal of Crystal Growth　Vol. 237-239　p. 645-648　2002/04　Research paper (scientific journal)

Crystal growth of GdYCOB for non-critical phase-matched second-harmonic generation at 860nm

H. Nakao, S. Makio, H. Furuya, K. Kawamura, S. Yasuda, Y.K. Yap, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 237-239　p. 632-636　2002/04　Research paper (scientific journal)

Effect of crystal growth atmosphere on the crystal birefringence of GdYCOB for third harmonic generation of Nd:YAG laser

K. Kawamura, H. Nakao, H. Furuya, S. Yasuda, Y.K. Yap, M. Yoshimura, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 237-239　p. 629-631　2002/04　Research paper (scientific journal)

Recent development of nonlinear optical borate crystals for UV generation

Y Mori, Y.K Yap, T Kamimura, M Yoshimura, T Sasaki

Optical Materials　Vol. 19　No. 1　p. 1-5　2002/02　Research paper (scientific journal)

Atomic-scale surface control and second-harmonic generation in GdxY1−xCa4O(BO3)3 thin films grown by combinatorial laser molecular-beam epitaxy

T.-W. Kim, N. Arai, H. Koinuma, Y. Matsumoto, M. Yoshimura, H. Furuya, H. Nakao, Y. Mori, T. Sasaki

Applied Physics Letters　Vol. 79　No. 12　p. 1783-1785　2001/09/17　Research paper (scientific journal)

Dependence of gray-track threshold of GdYCOB on the crystal growth atmosphere

Hiroyuki Furuya, Hiroshi Nakao, Kenichiro Kawamura, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of Crystal Growth　Vol. 229　No. 1-4　p. 265-269　2001/07　Research paper (scientific journal)

Laser molecular beam epitaxy of high-quality Gd Y1−Ca4O(BO3)3 thin films

T.-W Kim, N Arai, Y Matsumoto, M Yoshimura, H Furuya, Y Mori, T Sasaki, H Koinuma

Journal of Crystal Growth　Vol. 229　No. 1-4　p. 208-211　2001/07　Research paper (scientific journal)

DEVELOPMENT OF NEW NLO BORATE CRYSTALS

TAKATOMO SASAKI, YUSUKE MORI, MASASHI YOSHIMURA

Journal of Nonlinear Optical Physics & Materials　Vol. 10　No. 02　p. 249-263　2001/06　Research paper (scientific journal)

UV laser generation in GdYCOB crystal

Hiroyuki Furuya, Hiroshi Nakao, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Electrical Engineering in Japan　Vol. 136　No. 2　p. 26-30　2001/05/11　Research paper (scientific journal)

The Growth of K₂Al₂B₂O₇ (KAB) Crystal by Modified Middle Seeded Solution Growth (MSSG) Method

Zhang-Gui Hu, Naoki Ushiyama, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 40　No. 4B　p. L393-L393　2001/04/01　Research paper (scientific journal)

Absolute measurement of second-order nonlinear-optical coefficients of CsLiB_6O_10 for visible- to-ultraviolet second-harmonic wavelengths

Ichiro Shoji, Hirotaka Nakamura, Ryoichi Ito, Takashi Kondo, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of the Optical Society of America B　Vol. 18　No. 3　p. 302-302　2001/03/01　Research paper (scientific journal)

The ohmic character of doped AlN films

Mitsuo Okamoto, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Diamond and Related Materials　Vol. 10　No. 3-7　p. 1322-1325　2001/03　Research paper (scientific journal)

Bond modification of BCN films on Ni substrate

Y.K Yap, Y Wada, M Yamaoka, M Yoshimura, Y Mori, T Sasaki

Diamond and Related Materials　Vol. 10　No. 3-7　p. 1137-1141　2001/03　Research paper (scientific journal)

Influence of Crystallinity on the Bulk Laser-Induced Damage Threshold and Absorption of Laser Light in CsLiB₆O₁₀ Crystals

Tomosumi Kamimura, Richi Ono, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 40　No. 2A　p. L111-L111　2001/02/01　Research paper (scientific journal)

90° Phase-Matching Properties of YCa₄O(BO₃)₃ and Gd_xY_1-xCa₄O(BO₃)₃

Nobuhiro Umemura, Hiroshi Nakao, Hiroyuki Furuya, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Kunio Yoshida, Kiyoshi Kato

Japanese Journal of Applied Physics　Vol. 40　No. 2R　p. 596-596　2001/02/01　Research paper (scientific journal)

Study on Spectral Characteristics in Near Infrared Semiconductor Laser at a Prism External Cavity System

Yoon Chang hwan, Goto Takafumi, Uno Katuhiro, Fujii Kan-ichi, Kobayashi T., Harimoto T., Yonemura M., Zaitsu Shin-ichi, Motokoshi Shinji, Jitsuno Takahisa, Nakatsuka Masahiro, Yamanaka Tatsuhiko, Yamauchi Toshihiko, Kikuzawa Nobuhiro, Minehara Eisuke, Nagai Ryouji, Ueno T., Yoneda H., Ueda K., Kouta H., Kuwano Y., Matsubara Hirofumi, Fujimoto Yasusi, Kamimura T., Ono R., Fukumoto S., Yap Y. K., Yoshimura M., Mori Y., Sasaki T., Furuya H., Nakao H., Kawamura K., Yasuda S., Iwai T., Tsunesada F.

Vol. 29　p. 167-167,177　2001　Research paper (scientific journal)

Alleviation of photoinduced damage in Gd_xY_1–xCa_4O(BO_3)_3 at elevated crystal temperature for noncritically phase-matched 355-nm generation

H. Furuya, H. Nakao, I. Yamada, Y. F. Ruan, Y. K. Yap, M. Yoshimura, Y. Mori, T. Sasaki

Optics Letters　Vol. 25　No. 21　p. 1588-1588　2000/11/01　Research paper (scientific journal)

Recent development of nonlinear optical borate crystals: key materials for generation of visible and UV light

Takatomo Sasaki, Yusuke Mori, Masashi Yoshimura, Yoke Khin Yap, Tomosumi Kamimura

Materials Science and Engineering: R: Reports　Vol. 30　No. 1-2　p. 1-54　2000/11　Research paper (scientific journal)

Slope Nucleation Method for the Growth of High-Quality 4-Dimethylamino-Methyl-4-Stilbazolium-Tosylate (DAST) Crystals

Yusuke Mori, Yoshinori Takahashi, Takashi Iwai, Masashi Yoshimura, Yoke Khin Yap, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 39　No. 10A　p. L1006-L1006　2000/10/01　Research paper (scientific journal)

Photoinduced Damage in Gd_1-XY_XCa₄O(BO₃)₃ Crystals

Hiroshi Nakao, Yongfeng Ruan, Hiroyuki Furuya, Itsunari Yamada, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 39　No. 5B　p. L463-L463　2000/05/01　Research paper (scientific journal)

Determination of the nonlinear optical coefficients of YCa_4O(BO_3)_3 crystal

Chuangtian Chen, Zongshu Shao, Jie Jiang, Jingqian Wei, Jiao Lin, Jiyang Wang, Ning Ye, Junhua Lv, Baichang Wu, Minhua Jiang, M. Yoshimura, Yusuke Mori, Takatomo Sasaki

Journal of the Optical Society of America B　Vol. 17　No. 4　p. 566-566　2000/04/01　Research paper (scientific journal)

Na: A New Flux for Growing Hexagonal Boron Nitride Crystals at Low Temperature

Masaichi Yano Khin Yap, Mitsuo Okamoto Mitsuo Okamoto, Mamoru Onda Mamoru Onda, Masashi Yoshimura Masashi Yoshimura, Yusuke Mori Yusuke Mori, Takatomo Sasaki Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 39　No. 4A　p. L300-L300　2000/04/01　Research paper (scientific journal)

Effect of carbon nitride bonding structure on electron field emission

Y.K. Yap, S. Kida, Y. Wada, M. Yoshimura, Y. Mori, T. Sasaki

Diamond and Related Materials　Vol. 9　No. 3-6　p. 1228-1232　2000/04　Research paper (scientific journal)

The control of B N and B C bonds in BCN films synthesized using pulsed laser deposition

Y Wada, Y.K Yap, M Yoshimura, Y Mori, T Sasaki

Diamond and Related Materials　Vol. 9　No. 3-6　p. 620-624　2000/04　Research paper (scientific journal)

Growth of adhesive c-BN films on a tensile BN buffer layer

Y.K. Yap, T. Aoyama, Y. Wada, M. Yoshimura, Y. Mori, T. Sasaki

Diamond and Related Materials　Vol. 9　No. 3-6　p. 592-595　2000/04　Research paper (scientific journal)

Epitaxial aluminum nitride thin films grown by pulsed laser deposition in various nitrogen ambients

M Okamoto, M Yamaoka, Y.K Yap, M Yoshimura, Y Mori, T Sasaki

Diamond and Related Materials　Vol. 9　No. 3-6　p. 516-519　2000/04　Research paper (scientific journal)

Growth of nitride crystals, BN, AlN and GaN by using a Na flux

M Yano, M Okamoto, Y.K Yap, M Yoshimura, Y Mori, T Sasaki

Diamond and Related Materials　Vol. 9　No. 3-6　p. 512-515　2000/04　Research paper (scientific journal)

Investigation of bulk laser damage in KDP crystal as a function of laser irradiation direction, polarization, and wavelength

H. Yoshida, T. Jitsuno, H. Fujita, M. Nakatsuka, M. Yoshimura, T. Sasaki, K. Yoshida

Applied Physics B: Lasers and Optics　Vol. 70　No. 2　p. 195-201　2000/02/01　Research paper (scientific journal)

Flux growth of the new nonlinear optical crystal: K2Al2B2O7

Zhang-Gui Hu, T Higashiyama, M Yoshimura, Y Mori, T Sasaki

Journal of Crystal Growth　Vol. 212　No. 1-2　p. 368-371　2000/01　Research paper (scientific journal)

Influence of disordered covalent bonds in a BN buffer layer on improving adhesion of c-BN films

YK. Yap, M. Yoshimura, Y. Mori, T. Sasaki

New Diamond and Frontier Carbon Technology　Vol. 10　p. 201-212　2000　Research paper (scientific journal)

Control of Nucleation Site and Growth Orientation of Bulk GaN Crystals

Masaichi Yano, Mitsuo Okamoto, Yoke Khin Yap, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki

Japanese Journal of Applied Physics　Vol. 38　No. 10A　p. L1121-L1123　1999/10/01　Research paper (scientific journal)

Crystal growth and characterization of GdxY1-xCa4O(BO3)3 crystal

H. Furuya, M. Yoshimura, T. Kobayashi, K. Murase, Y. Mori, T. Sasaki

Journal of Crystal Growth　Vol. 198-199　No. I　p. 560-563　1999/03　Research paper (scientific journal)

Bulk Laser Damage in CsLiB6O10 Crystal and Its Dependence on Crystal structure

Masashi Yoshimura, Tomosumi Kamimura, Kouki Murase, Yusuke Mori, Hidetsugu Yoshida, Masahiro Nakatsuka, Takatomo Sasaki

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS　Vol. 38　No. 2A　p. L129-L131　1999/02　Research paper (scientific journal)

Effect of RF plasma etching on surface damage in CsLiB6O10 crystal

Tomosumi Kamimura, Masashi Yoshimura, Yusuke Mori, Takatomo Sasaki, Kunio Yoshida

Japanese Journal of Applied Physics, Part 2: Letters　Vol. 38　No. 2 B　p. L181-L183　1999/02　Research paper (scientific journal)

Noncritically phase-matched frequency conversion in GdxY_1-xCa₄O(BO₃)₃ cryst al

M. Yoshimura, H. Furuya, T. Kobayashi, K. Murase, Y. Mori, T. Sasaki

Optics Letters　Vol. 24　No. 4　p. 193-195　1999/02　Research paper (scientific journal)

Improvement of high laser-resistance surface in CLBO by ion beam etching

Nakai K., Sawada H., Kamimura T., Mori Y., Sasaki T., Yamada I., Furuya H., Murase Y., Nakao H., Iga D., Yamasaki M., Yoshimura M., Higashiyama Tetsuji, Hu Zhang-Gui, Kagebayashi Yoshio, Deki K., Sakuma J., Yokota T., Ohsako Y., Yoshino M., Horiguchi M., NAKAMURA Seiji, YAMADA Yoichi, TAGUCHI Tsunemasa, YOSHIMURA Kazumasa, Kudo H., Tamura T., NAKADA Naoyuki, ZHAO Guang Yuan, ISHIKAWA Hiroyasu, EGAWA Takashi, JIMBO Takashi, UMENO Masayoshi, SIMOYAMA Takasi, KUWATSUKA Haruhiko, Little Brent E., MATSUDA Manabu, KOTAKI Yuji, ISHIKAWA Hiroshi, Goto R., Nishizawa N., Goto T., Kasuya H., Mori M., Yamane K., Nishikawa Yuji, Takigawa Hiroshi, Ukai T., Zaman Kazi Iqbal, Tokuyama K., Yamasaki R., Yoneda H., Ueda K., Yamamoto H., Baba K., Umehara M., Kurioka Y., Kashihara A., Takigawa Y., Murai K., Zaitsu Shin-ichi, Motokoshi Shinji, Jitsuno Takahisa, Yamanaka Tatsuhiko, Yang K. S., Fujiffmra M., Inoue T., Tsugawa H., Nishihara H., Kawaguchi T., Mizuuchi K., Yamamoto K., Yoshino T., Imaeda M., Fukuda T., Yamada T., Akidzuki Y., Kuwano Y., Maeda Y., Ochiai S., Furuhashi H., Okumura N., Maeda A., Yoshikawa T., Uchida Y., Kojima K., Ohashi A., Ieda M.

Vol. 27　p. 123-125,128　1999　Research paper (scientific journal)

Redetermination of the crystal structure of dipotassium dialuminum borate, K2Al2B2O7, a new non-linear optical material

ZG Hu, T Higashiyama, M Yoshimura, Y Mori, T Sasaki

Zeitschrift fur Kristallographie-New Crystal Structures　Vol. 214　No. 4　p. 433-434　1999　Research paper (scientific journal)

A new nonlinear optical borate crystal K2Al2B2O7 (KAB)

ZG Hu, T Higashiyama, M Yoshimura, YK Yap, Y Mori, T Sasaki

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS　Vol. 37　No. 10A　p. L1093-L1094　1998/10　Research paper (scientific journal)

Development of New Nonlinear Optical Crystal GdYCOB with Tunable Birefringence

Vol. 25　No. 5　p. 193-199　1998　Research paper (scientific journal)

Efficient stimulated Brillouin scattering in the organic crystal deuterated L-arginine phosphate monohydrate

M. Yoshimura, Y. Mori, T. Sasaki, H. Yoshida, M. Nakatsuka

Journal of the Optical Society of America B: Optical Physics　Vol. 15　No. 1　p. 446-450　1998/01　Research paper (scientific journal)

Improvement of Solid State Laser Performance by Phase-Conjugation Mirror Using a LAP Crystal

YOSHIDA Hidetsugu, FUJITA Hisanori, NAKATSUKA Masahiro, YOSHIMURA Masashi, SASAKI Takatomo, YOSHIDA Kunio

Vol. 25　No. 3　p. 232-237　1997　Research paper (scientific journal)

Generation of Blue Light by Using Potassium Lithium Niobate Crystal

Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics　Vol. 14　p. 291-299　1995　Research paper (scientific journal)

Growth of KLN Fiber Crystals and Its Application for Blue-Violet Light Generation

Yusuke Mori, Takatomo Sasaki, Takahiro Obana, Masashi Yoshimura, Norio Ohnishi, Tsuguo Fukuda

Optical Review　Vol. 1　No. 2　p. 241-242　1994　Research paper (scientific journal)