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Raisins in a Hydrogen Pie: Ultrastable Cesium and Rubidium Polyhydrides
Di Zhou, Dmitrii Semenok, Michele Galasso, Frederico Gil Alabarse, Denis Sannikov, Ivan A. Troyan, Yuki Nakamoto, Katsuya Shimizu, Artem R. Oganov
Advanced Energy Materials No. 2400077 p. 1-9 2024/04
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Pressure-induced dimerization and crossover from negative to positive magnetoresistance in Ag3LiIr2O6
Cheng Jin, Jun Han, Qunfei Zheng, En Chen, Tianyao Pei, Yuki Nakamoto, Katsuya Shimizu, Yonggang Wang, Jinlong Zhu
Physical Review B 2024/03/11 Research paper (scientific journal)
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Anisotropic electrical conductivity changes in FeTiO3 structure transition under high pressure
Takamitsu Yamanaka, Yuki Nakamoto, Masafumi Sakata, Katsuya Shimizu, Takanori Hattori
Physics and Chemistry of Minerals Vol. 51 No. 4 2024/02/05 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Pressure-induced structural phase transition in the ferromagnetic Heusler alloy Ni 2 MnGa
T. Eto, Y. Nakamoto, T. Kagayama, Y. Adachi, S. Kawaguchi, N. Hirao, Y. Uwatoko, M. Nagasako, T. Kanomata
Physical Review B Vol. 109 No. 1 2024/01/03 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Stoichiometric Ternary Superhydride LaBeH8 as a New Template for High-Temperature Superconductivity at 110 K under 80 Gpa
Yinggang Song, Jingkai Bi, Yuki Nakamoto, Katsuya Shimizu, Hanyu Liu, Bo Zou, Guangtao Liu, Hongbo Wang, Yanming Ma
Phys. Rev. Lett. Vol. 130 2023/06
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Magnetic and structure transition of Mn3-xFexO4 solid solutions under high-pressure and high-temperature conditions
Takamitsu Yamanaka, Naohisa Hirao, Yuki Nakamoto, Takashi Mikouchi, Takanori Hattori, Kazuki Komatsu, Ho-kwang Mao
Physics and Chemistry of Minerals Vol. 49 No. 41 2022/10/11 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Giant enhancement of superconducting critical temperature in substitutional alloy (La,Ce)H9.
Jingkai Bi, Yuki Nakamoto, Peiyu Zhang, Katsuya Shimizu, Bo Zou, Hanyu Liu, Mi Zhou, Guangtao Liu, Hongbo Wang, Yanming Ma
Nature communications Vol. 13 No. 1 p. 5952-5952 2022/10/10 Research paper (scientific journal)
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Effect of Magnetic Impurities on Superconductivity in LaH10.
Dmitrii V Semenok, Ivan A Troyan, Andrey V Sadakov, Di Zhou, Michele Galasso, Alexander G Kvashnin, Anna G Ivanova, Ivan A Kruglov, Alexey A Bykov, Konstantin Y Terent'ev, Alexander V Cherepakhin, Oleg A Sobolevskiy, Kirill S Pervakov, Alexey Yu Seregin, Toni Helm, Tobias Förster, Audrey D Grockowiak, Stanley W Tozer, Yuki Nakamoto, Katsuya Shimizu, Vladimir M Pudalov, Igor S Lyubutin, Artem R Oganov
Advanced materials (Deerfield Beach, Fla.) Vol. 34 No. 42 2022/10 Research paper (scientific journal)
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Enhancement of electrical conductivity to metallization of Mn3-XFeXO4 spinel and postspinel with elevating pressure
Takamitsu Yamanaka, Saqib Rahman, Yuki Nakamoto, Takanori Hattori, Bo Gyu Jang, Duck Young Kim, Ho-kwang Mao
Journal of Physics and Chemistry of Solids Vol. 167 p. 110721-110721 2022/08 Research paper (scientific journal)
Publisher: Elsevier BV
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Electrical transport measurements for superconducting sulfur hydrides using boron-doped diamond electrodes on beveled diamond anvil
Ryo Matsumoto, Mari Einaga, Shintaro Adachi, Sayaka Yamamoto, Tetsuo Irifune, Kensei Terashima, Hiroyuki Takeya, Yuki Nakamoto, Katsuya Shimizu, Yoshihiko Takano
Superconductor Science and Technology Vol. 33 No. 12 p. 124005-124005 2020/12/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Conical support for double-stage diamond anvil apparatus
Takeshi Sakai, Takehiko Yagi, Ryosuke Takeda, Toshiki Hamatani, Yuki Nakamoto, Hirokazu Kadobayashi, Hideto Mimori, Saori I. Kawaguchi, Naohisa Hirao, Keitaro Kuramochi, Naoki Ishimatsu, Takehiro Kunimoto, Hiroaki Ohfuji, Yasuo Ohishi, Tetsuo Irifune, Katsuya Shimizu
High Pressure Research Vol. 40 No. 1 p. 12-21 2019/11/19 Research paper (scientific journal)
Publisher: Informa UK Limited
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Pressure dependence of electron density distribution and d-p- π hybridization in titanate perovskite ferroelectrics
Takamitsu Yamanaka, Yuki Nakamoto, Muhtar Ahart, Ho-Kwang Mao
Physical Review B Vol. 97 No. 14 2018/04/18 Research paper (scientific journal)
Publisher: American Physical Society
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Lithium polyhydrides synthesized under high pressure and high temperature
Takahiro Matsuoka, Keiji Kuno, Kenji Ohta, Masafumi Sakata, Yuki Nakamoto, Naohisa Hirao, Yasuo Ohishi, Katsuya Shimizu, Tetsuji Kume, Shigeo Sasaki
JOURNAL OF RAMAN SPECTROSCOPY Vol. 48 No. 9 p. 1222-1228 2017/09 Research paper (scientific journal)
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Structural phase transition of potassium under high-pressure and low-temperature condition
Masafumi Sakata, Yuki Nakamoto, Takahiro Matsuoka, Yasuo Ohishi, Katsuya Shimizu
JOINT AIRAPT-25TH & EHPRG-53RD INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY, 2015 Vol. 950 2017 Research paper (international conference proceedings)
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Pressure-induced ferroelectric to paraelectric transition in LiTaO3 and (Li,Mg)TaO3
Takamitsu Yamanaka, Yuki Nakamoto, Fumihiko Takei, Muhtar Ahart, Ho-kwang Mao, Russell J. Hemley
JOURNAL OF APPLIED PHYSICS Vol. 119 No. 7 2016/02 Research paper (scientific journal)
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Temperature-Pressure Phase Diagram of Relaxor Ferroelectric Pb(Mg1/3Nb2/3)O-3
Kiyoshi Deguchi, Mika Hiroshima, Hirofumi Kasatani, Hidehiro Ohwa, Yuki Nakamoto, Muhtar Ahart, Takamitsu Yamanaka
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 85 No. 1 2016/01 Research paper (scientific journal)
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X-ray diffraction study of the icosahedral AlCuFe quasicrystal at megabar pressures
Sota Takagi, Atsushi Kyono, Saki Mitani, Neo Sugano, Yuki Nakamoto, Naohisa Hirao
MATERIALS LETTERS Vol. 161 p. 13-16 2015/12 Research paper (scientific journal)
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New structure of high-pressure body-centered orthorhombic Fe2SiO4
Takamitsu Yamanaka, Atsushi Kyono, Yuki Nakamoto, Svetlana Kharlamova, Viktor V. Struzhkin, Stephen A. Gramsch, Ho-Kwang Mao, Russell J. Hemley
AMERICAN MINERALOGIST Vol. 100 No. 8-9 p. 1736-1743 2015/08 Research paper (scientific journal)
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High-pressure behavior of cuprospinel CuFe2O4: Influence of the Jahn-Teller effect on the spinel structure
Atsushi Kyono, Stephen A. Gramsch, Yuki Nakamoto, Masafumi Sakata, Masato Kato, Tomoya Tamura, Takamitsu Yamanaka
AMERICAN MINERALOGIST Vol. 100 No. 8-9 p. 1752-1761 2015/08 Research paper (scientific journal)
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Emergence of double-dome superconductivity in ammoniated metal-doped FeSe
Masanari Izumi, Lu Zheng, Yusuke Sakai, Hidenori Goto, Masafumi Sakata, Yuki Nakamoto, Huyen L. T. Nguyen, Tomoko Kagayama, Katsuya Shimizu, Shingo Araki, Tatsuo C. Kobayashi, Takashi Kambe, Dachun Gu, Jing Guo, Jing Liu, Yanchun Li, Liling Sun, Kosmas Prassides, Yoshihiro Kubozono
SCIENTIFIC REPORTS Vol. 5 2015/04 Research paper (scientific journal)
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High-pressure structural study of solid mercury up to 200 GPa
K. Takemura, S. Nakano, Y. Ohishi, Y. Nakamoto, H. Fujihisa
MATERIALS RESEARCH EXPRESS Vol. 2 No. 1 2015/01 Research paper (scientific journal)
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Collapse of CuO Double Chains and Suppression of Superconductivity in High-Pressure Phase of YBa2Cu4O8
Atsuko Nakayama, Yusuke Onda, Shuhei Yamada, Hiroshi Fujihisa, Masafumi Sakata, Yuki Nakamoto, Katsuya Shimizu, Satoshi Nakano, Ayako Ohmura, Fumihiro Ishikawa, Yuh Yamada
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 83 No. 9 2014/09 Research paper (scientific journal)
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Pressure-induced reentrant metallic phase in lithium
T. Matsuoka, M. Sakata, Y. Nakamoto, K. Takahama, K. Ichimaru, K. Mukai, K. Ohta, N. Hirao, Y. Ohishi, K. Shimizu
PHYSICAL REVIEW B Vol. 89 No. 14 2014/04 Research paper (scientific journal)
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Ca-VII: a chain ordered host-guest structure of calcium above 210 GPa.
Hiroshi Fujihisa, Yuki Nakamoto, Masafumi Sakata, Katsuya Shimizu, Takahiro Matsuoka, Yasuo Ohishi, Hiroshi Yamawaki, Satoshi Takeya, Yoshito Gotoh
Physical review letters Vol. 110 No. 23 p. 235501-235501 2013/06/07 Research paper (scientific journal)
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High-pressure phase transitions of Fe3-xTixO4 solid solution up to 60 GPa correlated with electronic spin transition
Takamitsu Yamanaka, Atsushi Kyono, Yuki Nakamoto, Yue Meng, Svetlana Kharlamova, Victor V. Struzhkin, Ho-kwang Mao
AMERICAN MINERALOGIST Vol. 98 No. 4 p. 736-744 2013/04 Research paper (scientific journal)
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Metallization of solid iodine in phase I: X-ray diffraction measurements, electrical resistance measurements, and ab initio calculations
Takahiro Ishikawa, Kenta Mukai, Yu Tanaka, Masafumi Sakata, Yuki Nakamoto, Takahiro Matsuoka, Katsuya Shimizu, Yasuo Ohishi
HIGH PRESSURE RESEARCH Vol. 33 No. 1 p. 186-190 2013/03 Research paper (scientific journal)
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Anharmonic atomic vibrations in the relaxor ferroelectric Pb(Mg1/3Nb2/3)O-3 under pressure
Takamitsu Yamanaka, Muhtar Ahart, Yuki Nakamoto, Zuo-Guang Ye, Stephen A. Gramsch, Ho-kwang Mao, Russell J. Hemley
PHYSICAL REVIEW B Vol. 86 No. 17 2012/11 Research paper (scientific journal)
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Crystal Structure of High-Pressure Phases V and VI of Potassium Dihydrogen Phosphate
Yuki Nakamoto, Masafumi Sakata, Hiroshi Fujihisa, Katsuya Shimizu, Kiyoshi Deguchi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 81 No. 6 2012/06 Research paper (scientific journal)
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Superconducting state of Ca-VII below a critical temperature of 29 K at a pressure of 216 GPa
Masafumi Sakata, Yuki Nakamoto, Katsuya Shimizu, Takahiro Matsuoka, Yasuo Ohishi
Physical Review B - Condensed Matter and Materials Physics Vol. 83 No. 22 2011/06/22 Research paper (scientific journal)
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Note: High-pressure generation using nano-polycrystalline diamonds as anvil materials
Y. Nakamoto, M. Sakata, H. Sumiya, K. Shimizu, T. Irifune, T. Matsuoka, Y. Ohishi
REVIEW OF SCIENTIFIC INSTRUMENTS Vol. 82 No. 6 2011/06 Research paper (scientific journal)
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Ca-VI: A high-pressure phase of calcium above 158 GPa
Yuki Nakamoto, Masafumi Sakata, Katsuya Shimizu, Hiroshi Fujihisa, Takahiro Matsuoka, Yasuo Ohishi, Takumi Kikegawa
Physical Review B - Condensed Matter and Materials Physics Vol. 81 No. 14 2010/04 Research paper (scientific journal)
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Synthesis of dense BCx phases under high-pressure and high-temperature
L. C. Ming, P. V. Zinin, X. R. Liu, Y. Nakamoto, R. Jia
Journal of Physics: Conference Series Vol. 215 2010 Research paper (international conference proceedings)
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Jahn-Teller transition of Fe2TiO4 observed by maximum entropy method at high pressure and low temperature
Takamitsu Yamanaka, Tetsuro Mine, Sachiko Asogawa, Yuki Nakamoto
PHYSICAL REVIEW B Vol. 80 No. 13 2009/10 Research paper (scientific journal)
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Electron density distribution and static dipole moment of KNbO3 at high pressure
T. Yamanaka, T. Okada, Y. Nakamoto
Physical Review B - Condensed Matter and Materials Physics Vol. 80 No. 9 2009/09/24 Research paper (scientific journal)
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Structural transition of post-spinel phases CaMn2O4, CaFe2O4, and CaTi2O4 under high pressures up to 80 GPa
T. Yamanaka, A. Uchida, Y. Nakamoto
AMERICAN MINERALOGIST Vol. 93 No. 11-12 p. 1874-1881 2008/11 Research paper (scientific journal)
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Plastic deformation and optical behavior of high-purity synthetic diamond crystal subjected to high stress load at room temperature
H. Sumiya, Y. Nakamoto, K. Shimizu, H. Kanda
APPLIED PHYSICS LETTERS Vol. 93 No. 10 p. 101915-1-3 2008/09 Research paper (scientific journal)
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Crystal structures of calcium IV and V under high pressure
Hiroshi Fujihisa, Yuki Nakamoto, Katsuya Shimizu, Takahiro Yabuuchi, Yoshito Gotoh
PHYSICAL REVIEW LETTERS Vol. 101 No. 9 p. 095503-1-4 2008/08 Research paper (scientific journal)
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High pressure Raman spectroscopic study of low-cristobalite GaPO 4
C. H. Chio, S. K. Sharma, L. C. Ming, Y. Nakamoto, S. Endo
Journal of Physics: Conference Series Vol. 121 No. 2 2008 Research paper (international conference proceedings)
Publisher: Institute of Physics Publishing
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Multiple Shock Compression of Diamond Foils with a Shaped Laser Pulse over 1 TPa
K. Shigemori, K. Shimizu, Y. Nakamoto, T. Irifune, H. Sumiya, N. Ozaki, R. Kodama, K. Otani, D. Ichinose, Y. Hironaka, T. Kadono, H. Azechi, K. Mima, J. Wark, B. Remington
5TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA2007) Vol. 112 2008 Research paper (international conference proceedings)
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Stability of Hexagonal Diamond under Pressure
S. Ona, Y. Nakamoto, T. Kagayama, K. Shimizu, Y. Nishikawa, M. Murakami, K. Kusakabe, T. Watanuki, Y. Ohishi
JOINT 21ST AIRAPT AND 45TH EHPRG INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY Vol. 121 2008 Research paper (international conference proceedings)
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High-pressure generation using high-purity synthetic type IIa diamond anvils
H. Sumiya, Y. Nakamoto, T. Matsuoka, K. Shimizu, Y. Ohishi
HIGH PRESSURE RESEARCH Vol. 28 No. 3 p. 217-223 2008 Research paper (scientific journal)
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Superconductivity and Crystal Structure of Lithium under High Pressure
Takahiro Matsuoka, Suzue Onoda, Masahiro Kaneshige, Yuki Nakamoto, Katsuya Shimizu, Tomoko Kagayama, Yasuo Ohishi
JOINT 21ST AIRAPT AND 45TH EHPRG INTERNATIONAL CONFERENCE ON HIGH PRESSURE SCIENCE AND TECHNOLOGY Vol. 121 2008 Research paper (international conference proceedings)
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Phase transformations of α-cristobalite GaPO4 at pressures up to 52 GPa
L. C. Ming, Y. Nakamoto, S. Endo, C. H. Chio, S. K. Sharma
Journal of Physics Condensed Matter Vol. 19 No. 42 2007/10/24 Research paper (international conference proceedings)
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Generation of multi-megabar pressure using nano-polycrystalline diamond anvils
Yuki Nakamoto, Hitoshi Sumiya, Takahiro Matsuoka, Katsuya Shimizu, Tetsuo Irifune, Yasuo Ohishi
Japanese Journal of Applied Physics, Part 2: Letters Vol. 46 No. 25-28 p. L640-L641 2007/07/13 Research paper (scientific journal)
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Crystal structure of the high-pressure gamma phase of mercury: A novel monoclinic distortion of the close-packed structure
K. Takemura, H. Fujihisa, Y. Nakamoto, S. Nakano, Y. Ohishi
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN Vol. 76 No. 2 2007/02 Research paper (scientific journal)
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Pressure dependence of electron density distribution of ferroelectric KNbO3 polyniorphs by maximum entropy method (MEM) using single crystal diffraction study
Takamitsu Yamanaka, Taku Okada, Yuki Nakamoto, Kenji Ohi
MATERIALS RESEARCH AT HIGH PRESSURE Vol. 987 p. 153-+ 2007 Research paper (international conference proceedings)
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Crystal structure and electrical property of calcium under very high pressure
Yuki Nakamoto, Takahiro Yabuuchi, Takahiro Matsuoka, Katsuya Shimizu, Kenichi Takemura
Journal of the Physical Society of Japan Vol. 76 p. 25-26 2007 Research paper (international conference proceedings)
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Electrical properties of YH3 under high pressure
Takahiro Matsuoka, Takayasu Kitayama, Katsuya Shimizu, Yuki Nakamoto, Tomoko Kagayama, Katsutoshi Aoki, Yasuo Ohishi, Kenichi Takemura
Journal of the Physical Society of Japan Vol. 76 p. 86-87 2007 Research paper (international conference proceedings)
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Electrical and structural properties of YHx (x similar to 3) under high pressure
T. Matsuoka, T. Kitayama, K. Shimizu, Y. Nakamoto, T. Kagayama, K. Aoki, Y. Ohishi, K. Takemura
HIGH PRESSURE RESEARCH Vol. 26 No. 4 p. 391-394 2006/12 Research paper (scientific journal)
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The phase transitions of KNbO3 under high pressure
Y. Nakamoto, K. Ohi, T. Okada, T. Nagai, T. Yamanaka
Ferroelectrics Vol. 337 p. 189-195 2006/08/01 Research paper (international conference proceedings)
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Superconductivity of Ca exceeding 25 K at megabar pressures
Takahiro Yabuuchi, Takahiro Matsuoka, Yuki Nakamoto, Katsuya Shimizu
Journal of the Physical Society of Japan Vol. 75 No. 8 2006/08 Research paper (scientific journal)
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Structural analysis of the filled skutterudite PrRu4P12 at high pressure and low temperature
A Miyake, Y Nakamoto, T Kagayama, K Takeda, Y Ohishi, K Shimizu, K Kihou, C Sekine, Shirotani, I
PHYSICA B-CONDENSED MATTER Vol. 378-80 p. 199-200 2006/05 Research paper (scientific journal)
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Fe-Mg partitioning between (Mg, Fe) SiO#D3 post-perovskite, perovskite, and magnesiowustite in the Earth's lower mantle
Kobayashi, Y, Kondo, T, Ohtani, E, Hirao, N, Miyajima, N, Yagi, T, Kikegawa, T
Geophys. Res. Lett. Vol. 32 2005/10 Research paper (scientific journal)
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New high-pressure phase of calcium
Takahiro Yabuuchi, Yuki Nakamoto, Katsuya Shimizu, Takumi Kikegawa
Journal of the Physical Society of Japan Vol. 74 No. 9 p. 2391-2392 2005/09 Research paper (scientific journal)
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The phase transition of PbHPO4
Yuki Nakamoto, Tomoko Kagayama, Katsuya Shimizu, Kiyoshi Deguchi, Takamitsu Yamanaka, Takumi Kikegewa
Physica B: Condensed Matter Vol. 359-361 p. 1303-1305 2005/04/30 Research paper (international conference proceedings)
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The phase transition of CuCrZrS4 at high pressure
Y Nakamoto, T Matsuoka, T Kagayama, K Shimizu, J Tang, N Kobayashi, S Nagata, T Kikegawa
PHYSICA B-CONDENSED MATTER Vol. 359-361C p. 1213-1215 2005/04 Research paper (scientific journal)
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New structure transition from simple cubic calcium under high prebure
Takahiro Yabuuchi, Yuki Nakamoto, Katsuya Shimizu, Takumi Kikegawa
Joint 20th AIRAPT and 43rd EHPRG International Conference on High Pressure Science and Technology 2005 Research paper (international conference proceedings)
Publisher: Karlsruhe Forschungszentrum Karlsruhe gmbH
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Equation of state for vanadium under hydrostatic conditions
Y. Nakamoto, K. Takemura, M. Ishizuka, K. Shimizu, T. Kikegawa
Joint 20th AIRAPT and 43rd EHPRG International Conference on High Pressure Science and Technology 2005 Research paper (international conference proceedings)
Publisher: Karlsruhe Forschungszentrum Karlsruhe gmbH
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X-ray diffraction and Raman studies of the CuGeO3 (III)-(IV) transformation under high pressures
L.C. Ming, S. K. Sharma, A. J. Jayarama, Y. Kobayashi, E. Suzuki, S. Endo, V. Prakapenka, D. Yang
Spectrochimica Acta Part A Vol. 61 p. 2418-2422 2005
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Hydrogen Bonded Ferroelectrics CsH2PO4 and CsD2PO4
K. Deguchi, S. Azuma, Y. Kobayashi
J. Phys. Soc. Jpn. Vol. 74 p. 2506-2509 2005
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Phase transitions of hydrogen-bonded ferroelectric CsH2PO4 under high pressure
Y Nakamoto, K Tashima, S Endo, K Deguchi, S Azuma, LC Ming, T Kikegawa
JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol. 46 No. 1 p. 217-219 2005/01 Research paper (scientific journal)
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Hexagonal Diamond from Highly Crystalline Graphite Film
Uodome Atsushi, Nakamoto Yuki, Kagayama Tomoko, Shimizu Katsuya, Kusakabe Koichi, Nishikawa Yasushi, Murakami Mutsuaki
ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES Vol. 61 p. C467-C467 2005
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The Phase Transition of Hydrogen-bonded Ferroelectric PbHPO4 under High Pressure
Nakamoto Yuki, Kagayama Tomoko, Shimizu Katsuya, Deguchi Kiyoshi, Yamanaka Takamitsu
ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES Vol. 61 p. C462-C462 2005
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The lattice softening and the crystal structure of Fe-Pt Invar alloys under high pressures
M. Matsushita, Y. Nakamoto, E. Suzuki, Y. Miyoshi, H. Inoue, S. Endo, T. Kikegawa, F. Ono
Journal of Magnetism and Magnetic Materials Vol. 284 No. 1-3 p. 403-408 2004/12 Research paper (scientific journal)
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Pressure-induced antiferroelectric phases in quasi-one-dimensional hydrogen bonded CsH2PO4
K. Deguchi, S. Azuma, Y. Kobayashi, S. Endo, M. Tokunaga
Phys. Rev. B Vol. 69 2004
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Phase Transition in CsH2PO4 under High Pressure
Y. Kobayashi, K. Deguchi, S. Azuma, E. Suzuki, L. C. Ming, S.Endo, T. Kikegawa
Ferroelectrics Vol. 285 p. 83-89 2003
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Pressure-Induced Structure Transition in TGS
E. Suzuki, Y. Kobayashi, S. Endo, K. Deguchi, T. Kikegawa
Ferroelectrics Vol. 285 p. 167-172 2003
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Ferroelectric TGS under High Pressure
Y. Kobayashi, S. Sawada, H. Furuta, S. Endo, K. Deguchi
J. Phys.,Condens. Matter Vol. 14 p. 11139-11142 2002
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X-ray Diffraction Measurements of CuGeO3 under High Pressures to 81GPa using Synchrotron Radiation and Imaging Plate
L. C. Ming, T. Eto, K. Takeda, Y. Kobayashi, E. Suzuki, S. Endo, S. K. Sharma, A. Jayaraman, T. Kikegawa
J. Phys.,Condens. Matter Vol. 14 2002
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Structural Phase Transiton in ReO3 under High Pressure
E. Suzuki, Y. Kobayashi, S. Endo, T. Kikegawa
J. Phys.,Condens. Matter Vol. 14 p. 10589-10593 2002
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Pressure-Temperature Phase Diagram of KNbO3 Determined by a Dielectric Constant Measurement
Y. Kobayashi, S. Endo, K. Deguchi, L. C. Ming, G. Zou
Ferroelectrics Vol. 273 p. 389-394 2002
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Phase transitions and amorphization in DKDP and KDP under high pressure
Y. Kobayashi, S. Endo, L. C. Ming, T. Kikegawa
Phys. Rev. B Vol. 65 2002
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Dielectric Constant Measurement of Ferroelectric KNbO3 under High Pressure
Y. Kobayashi, S. Endo, K. Deguchi, L. C. Ming, G. Zou
Solid State Commun p. 515-517 2001
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High-pressure phase above 40 GPa in ferroelectric KNbO3
Y. Kobayashi, S. Endo, T. Ashida, L. C. Ming, T. Kikegawa
Phys. Rev. B Vol. 9 2000
-
Vanishing of order-disorder type phase transition in DKDP at high pressure
M. Tokunaga, S. Endo, T. Tsukawake, T. Sawada, Y. Kobayashi, M. Ishizuka, K. Deguchi
Ferroelectrics Vol. 237 p. 169-176 2000
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X-Ray Diffraction and Dielectric Measurements on PbZrO3 at High Pressure, a Phase Transformation Study
Y. Kobayashi, S. Endo, L.C. Ming, K. Deguchi, T. Ashida, H. Fujishita
J. Phys. Chem. Solids Vol. 60 p. 57-64 1999
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Vanishing of the ferroelectric state with a finite Curie constant in the hydrogen-bond crystal KD2PO4 at high pressure
S. Endo, T. Sawada, T. Tsukawake, Y. Kobayashi, M. Ishizuka, K. Deguchi, M. Tokunaga
Solid State Commun. Vol. 112 p. 655-660 1999
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Vanishing of ferroelectric phase transition in DKDP and KDP at high pressure
S. Endo, T. Sawada, T. Tsukawake, Y. Kobayashi, M. Ishizuka, K. Deguchi, M. Tokunaga
J. Korean Phys. Soc. Vol. 35 p. S1380-S1383 1999
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KNbO3 under High Pressure
Y. Kobayashi, S. Endo, T. Ashida, K. Deguchi, L. C. Ming, T. Kikegawa, G. Zou
J. Korean. Phys. Soc. Vol. 35 p. S1452-S1456 1999
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X-ray diffraction and dielectric constant measurements of KNbO3 under high pressure
Y. Kobayashi, S. Endo, T. Ashida, K. Deguchi, L. C. Ming, T. Kikegawa, G. Zou
Science and Technology of High Pressure (Proceedings of AIRAPT-17, Honolulu, 1999) ed. M. H. Manghnani, W. J. Nellis and M. F. Nicol (Universities Press, India, 2000) Vol. 2 p. 840-843 1999
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Nanosecond Pulse Laser Heating of Graphite in DAC
M. I. Eremets, K. Amaya, K. Shimizu, S. Endo, K. Amaya, M. Kobayashi, K. Shimizu, S. Shimomura, O. Stephan, V. Blank
Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu Vol. 7 p. 1013-1015 1998 Research paper (scientific journal)
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A High-Pressure High-Temperature X Ray Study of Phase Relations and Polymorphism of HfO2
J. Tang, M. Kai, Y. Kobayashi, S. Endo, O. Shimomura, T. Kikegawa, T. Asida
Properties of Earth and Planetary Materials at High Pressure and Temperature,ed. M. H. Manghnani & T. Yagi (American Geophysical Union, Washington, 1998) p. 401-407 1998
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An in situ High Pressure X Ray Diffraction Study on Perovskite-Structured PbZrO3 and PbTiO3 to 57 GPa
L. C. Ming, S. R. Shieh, Y. Kobayashi, S. Endo, O. Shimomura, T. Kikegawa
Properties of Earth and Planetary Materials at High Pressure and Temperature ,ed. M. H. Manghnani & T. Yagi (American Geophysical Union, Washington, 1998) p. 441-449 1998
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X-Ray Diffraction and Dielectric Measurements of PbZrO3 under High Pressures
Y. Kobayashi, S. Endo, K. Deguchi, L. C. Ming, S. R. Shieh, T. Ashida, O. Shimomura, T. Kikegawa, H. Fujishita
Rev. High Pressure Sci. Technol Vol. 7 p. 310-312 1998
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Crystal systems and dielectric constants of high-pressure phases of KH2PO4
Y Kobayashi, S Endo, K Deguchi, O Shimomura, T Kikegawa
PHYSICAL REVIEW B Vol. 55 No. 5 p. 2850-2853 1997/02 Research paper (scientific journal)
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Valence band structure of Si-As-Te chalcogenide glasses prepared in the gravity environment of the earth and in a microgravity environment in space
W ShamsKolahi, M Kobayashi, H Hanzawa, T Kubota, H Kobayashi, K Okamoto, S Endo, Y Kobayashi, Y Hamakawa
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS Vol. 35 No. 12A p. 6162-6165 1996/12 Research paper (scientific journal)
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Pressure effects on electrical and optical properties of Si-As-Te chalcogenide glasses fabricated in the gravity environment and in a microgravity environment
W ShamsKolahi, M Kobayashi, H Hanzawa, H Okamoto, S Endo, Y Kobayashi, Y Hamakawa
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS Vol. 35 No. 9A p. 4713-4717 1996/09 Research paper (scientific journal)
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High-pressure effects in Si-As-Te amorphous chalcogenide glasses fabricated under microgravity environment
W ShamsKolahi, S Endo, Y Kobayashi, A Honda, S Nakaike, T Toma, M Hambach, S Takeshima, H Okamoto, Y Hamakawa
JOURNAL OF NON-CRYSTALLINE SOLIDS Vol. 198 p. 705-708 1996/05 Research paper (scientific journal)
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PHASE-TRANSITIONS AND AMORPHIZATION OF KH2PO4 AT HIGH-PRESSURE
Y KOBAYASHI, S ENDO, K KOTO, T KIKEGAWA, O SHIMOMURA
PHYSICAL REVIEW B Vol. 51 No. 14 p. 9302-9305 1995/04 Research paper (scientific journal)
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Pressure-temperature phase diagram of solid hydrogen sulfide determined by Raman spectroscopy
H. Shimizu, H. Yamaguchi, S. Sasaki, A. Honda, S. Endo, M. Kobayashi
Physical Review B Vol. 51 No. 14 p. 9391-9394 1995 Research paper (scientific journal)
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X-Ray Diffraction and Dielectric Constant Measurement of KH2PO4 under High Pressure
Y. Kobayashi, S. Endo, K. Koto, K. Deguchi
High Pressure Science & Technology No. 1 p. 475-477 1995
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HIGH-PRESSURE PHASES OF KH2PO4
Y KOBAYASHI, S ENDO
JAPANESE JOURNAL OF APPLIED PHYSICS, VOL 32, SUPPLEMENT 32-1 Vol. 32 p. 315-317 1993 Research paper (international conference proceedings)
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Baddeleyite-Type High-Pressure Phase of TIO2 and ITS Stable P-T Region
S. Endo, H. Sato, J. Tang, Y. Nakamoto, T. Kikegawa, O. Shimomura, K. Kusaba
High-Pressure Research, Application to Earth and Planetary Sciences p. 457-461 1992 Research paper (international conference proceedings)