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Giant gate modulation of antiferromagnetic spin reversal by the magnetoelectric effect
Kakeru Ujimoto, Hiroki Sameshima, Kentaro Toyoki, Takahiro Moriyama, Kohji Nakamura, Yoshinori Kotani, Motohiro Suzuki, Ion Iino, Naomi Kawamura, Ryoichi Nakatani, Yu Shiratsuchi
NPG Asia Materials Vol. 16 No. 1 2024/12 Research paper (scientific journal)
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Origin of perpendicular magnetic anisotropy in Fe0.6Al0.4/Cr0.8Al0.2 metallic superlattice
Kentaro Toyoki, Takehiro Minami, Yu Shiratsuchi, Ryoichi Nakatani
Japanese Journal of Applied Physics Vol. 63 No. 9 p. 09SP32-09SP32 2024/09/02 Research paper (scientific journal)
Publisher: IOP Publishing
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Formation of pseudo-morphic domain in Cr2O3(0001) epitaxial film grown on α-Al2O3(0001) and its effect on Néel temperature
Hirofumi Ekawa, Hiroki Sameshima, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
Japanese Journal of Applied Physics Vol. 63 No. 9 p. 09SP33-09SP33 2024/09/02 Research paper (scientific journal)
Publisher: IOP Publishing
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Growth-associated emergence of spontaneous magnetization in Al-doped Cr2O3 thin film
Tatsuo Tada, Hiroki Sakurai, Kentaro Toyoki, Satoshi Ichikawa, Toshiaki Ina, Noriaki Kishida, Yoshinori Kotani, Masashi Nakamoto, Kota Mori, Ryoichi Nakatani, Yu Shiratsuchi
Acta Materialia Vol. 274 p. 120027-120027 2024/08 Research paper (scientific journal)
Publisher: Elsevier BV
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Influence of long- and short-range chemical order on spontaneous magnetization in single-crystalline Fe0.6Al0.4 compound thin films
Kentaro Toyoki, Daigo Kitaguchi, Yu Shiratsuchi, Ryoichi Nakatani
Journal of Physics: Condensed Matter Vol. 36 No. 13 p. 135805-135805 2023/12/28 Research paper (scientific journal)
Publisher: IOP Publishing
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Direct observation and stochastic analysis on thermally activated nucleation and growth of individual magnetic domain
Fangfei Luo, Kentaro Toyoki, Chiharu Mitsumata, Jiaqi Shen, Ryoichi Nakatani, Yu Shiratsuchi
Journal of Magnetism and Magnetic Materials p. 171228-171228 2023/09 Research paper (scientific journal)
Publisher: Elsevier BV
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Direct observation of antiferromagnetic domains and field-induced reversal in Pt/Cr2O3/Pt epitaxial trilayers
Kakeru Ujimoto, Hiroki Sameshima, Kentaro Toyoki, Yoshinori Kotani, Takahiro Moriyama, Kohji Nakamura, Ryoichi Nakatani, Yu Shiratsuchi
Applied Physics Letters Vol. 123 No. 2 2023/07/10 Research paper (scientific journal)
Publisher: AIP Publishing
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Chemical order, unit cell volume, and spontaneous magnetization in vapor-quenched single crystalline Fe0.6Al0.4 alloy thin film
Kentaro Toyoki, Daigo Kitaguchi, Yu Shiratsuchi, Ryoichi Nakatani
2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers) 2023/05 Research paper (international conference proceedings)
Publisher: IEEE
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Finite size effect and dimensional crossover in antiferromagnetic epitaxial Cr2O3 thin films
Hiroki Sameshima, Kakeru Ujimoto, Rou Tsutsumi, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers) 2023/05 Research paper (international conference proceedings)
Publisher: IEEE
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Frequency dependence of coercivity in nickel and Co–Fe–B thin film for DC to 100 kHz region
K. Toyoki, S. Matsui, Y. Shiratsuchi, Y. Endo, R. Nakatani
Japanese Journal of Applied Physics 2023/03/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Peculiar temperature dependence of magneto-optic Kerr rotation associated with antiferromagnetic–paramagnetic transition
Hirofumi Ekawa, Takashi Okano, Oujin Huang, Ion Iino, Kentaro Toyoki, Ryoichi Nakatani, Takeshi Kato, Yu Shiratsuchi
Japanese Journal of Applied Physics 2023/03/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Gate-induced switching of perpendicular exchange bias with very low coercivity in Pt/Co/Ir/Cr2O3/Pt epitaxial film
Hirofumi Ekawa, Jiaqi Shen, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
Applied Physics Letters Vol. 122 No. 6 p. 062404-062404 2023/02/06 Research paper (scientific journal)
Publisher: AIP Publishing
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Anomalous Hall effect in Pt/Al-doped Cr2O3 epitaxial film
Ion Iino, Tatsuo Tada, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
AIP Advances Vol. 13 No. 1 p. 015035-015035 2023/01/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Increase of Néel temperature of magnetoelectric Cr2O3 thin film by epitaxial lattice matching
Xinrui Wang, Kakeru Ujimoto, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
Applied Physics Letters Vol. 121 No. 18 p. 182402-182402 2022/10/31 Research paper (scientific journal)
Publisher: AIP Publishing
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Synthesis of superparamagnetic Co–Pt nanoparticle in Pyrococcus furiosus virus-like particle crystal
Makoto Taniguchi, Akifumi Higashiura, Naoto Kobayashi, Daisuke Kanda, Kakeru Tagata, Ryota Fukunishi, Yasunori Yoshikawa, Emi Kuromatsu, Noriaki Kishida, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Ryoichi Nakatani, Atsushi Nakagawa, Yu Shiratsuchi
Journal of Physics and Chemistry of Solids Vol. 169 p. 110840-110840 2022/06 Research paper (scientific journal)
Publisher: Elsevier BV
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Control of perpendicular magnetic anisotropy at the Fe/MgO interface by phthalocyanine insertion
Shoya Sakamoto, Edward Jackson, Takeshi Kawabe, Takuya Tsukahara, Yoshinori Kotani, Kentaro Toyoki, Emi Minamitani, Yoshio Miura, Tetsuya Nakamura, Atsufumi Hirohata, Shinji Miwa
Physical Review B Vol. 105 No. 18 2022/05/13 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Magnetic-field and temperature dependence of anomalous Hall effect in Pt/Cr2O3/Pt trilayer
Xinrui Wang, Kentaro Toyoki, Ryoichi Nakatani, Yu Shiratsuchi
AIP Advances Vol. 12 No. 3 p. 035216-035216 2022/03/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Low pressure drive of the domain wall in Pt/Co/Au/Cr2O3/Pt thin films by the magnetoelectric effect
Jiaqi Shen, Tatsuo Tada, Kentaro Toyoki, Yoshinori Kotani, Ryoichi Nakatani, Yu Shiratsuchi
Applied Physics Letters Vol. 120 No. 9 p. 092404-092404 2022/02/28 Research paper (scientific journal)
Publisher: AIP Publishing
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Magnetic Domain Structure Observation for Initial Magnetization and Demagnetization Processes of a Nd-Fe-B Hot-Deformed Magnet Using Soft X-ray Magnetic Circular Dichroism Microscopy
M. Takeuchi, T. Yomogita, N. Kikuchi, K. Toyoki, S. Kobayashi, Y. Kotani, T. Nakamura, K. Hioki, S. Okamoto
Journal of the Japan Institute of Metals and Materials Vol. 86 No. 1 p. 1-7 2022/01/01 Research paper (scientific journal)
Publisher: Japan Institute of Metals
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Strain-induced modulation of temperature characteristics in ferrimagnetic Tb–Fe films
Shinya Ota, Pham Van Thach, Hiroyuki Awano, Akira Ando, Kentaro Toyoki, Yoshinori Kotani, Tetsuya Nakamura, Tomohiro Koyama, Daichi Chiba
Scientific Reports Vol. 11 No. 1 p. 6237-6237 2021/12 Research paper (scientific journal)
Publisher: Springer Science and Business Media LLC
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Temperature lag with the onset of exchange bias, superparamagnetic blocking, and antiferromagnetic ordering in ultrathin ferromagnet/antiferromagnet thin film
Yu Shiratsuchi, Yiran Tao, Rou Tsutsumi, Kentaro Toyoki, Ryoichi Nakatani
Journal of Applied Physics Vol. 130 No. 19 p. 193902-193902 2021/11/21 Research paper (scientific journal)
Publisher: AIP Publishing
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Dominant carrier of pseudo-gap antiferromagnet Cr3Al thin film
Kentaro Toyoki, Masayuki Hayashi, Shunsuke Hamaguchi, Noriaki Kishida, Yu Shiratsuchi, Takafumi Ishibe, Yoshiaki Nakamura, Ryoichi Nakatani
Physica B: Condensed Matter Vol. 620 p. 413281-413281 2021/11 Research paper (scientific journal)
Publisher: Elsevier BV
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Performance of Scanning X-ray Back-Scattered Laue Diffraction Microscope with Different Types of Light Sources
Vol. 9 No. 6 p. 405-410 2021/10 Research paper (bulletin of university, research institution)
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Effect of hydrogenation-disproportionation-desorption-recombination powder processing on the demagnetization process of Nd-Fe-B sintered magnets analyzed by soft X-ray magnetic circular dichroism microscopy
A. Martin-Cid, T. Kawahara, S. Kobayashi, K. Toyoki, D. Billington, Y. Kotani, H. Kubo, Y. Une, T. Iriyama, M. Sagawa, T. Nakamura
Journal of Magnetism and Magnetic Materials Vol. 538 p. 168308-168308 2021/07 Research paper (scientific journal)
Publisher: Elsevier BV
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Magnetoelectric Induced Switching of Perpendicular Exchange Bias Using 30-nm-Thick Cr2O3 Thin Film
Yu Shiratsuchi, Yiran Tao, Kentaro Toyoki, Ryoichi Nakatani
Magnetochemistry Vol. 7 No. 3 p. 36-36 2021/03/09 Research paper (scientific journal)
Publisher: MDPI AG
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Relationship between the microstructure, local magnetism and coercivity in Ga-containing Nd-Fe-B sintered magnets
David Billington, Hiroyuki Okazaki, Kentaro Toyoki, Yoshinori Kotani, Yukio Takada, Takashi Sato, Yuji Kaneko, Akira Kato, Taisuke T. Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono, Tetsuya Nakamura
Acta Materialia Vol. 205 p. 116517-116517 2021/02 Research paper (scientific journal)
Publisher: Elsevier BV
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Structural, magnetic, and electric properties of pt/co/au/cr2o3/pt thin film with cr2o3 layer below 25 nm
Yu Shiratsuchi, Jiaqi Shen, Yiran Tao, Kohei Takahara, Kentaro Toyoki, Ryoichi Nakatani
Journal of the Magnetics Society of Japan Vol. 45 No. 4 p. 101-105 2021 Research paper (scientific journal)
Publisher: The Magnetics Society of Japan
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Magnetic properties and magnetic domain observation of ndfeb sintered magnets treated by grain boundary diffusion process with dyal co-sorption
Masaru Uenohara, Hiroaki Nishio, Kentaro Toyoki, Yu Shiratsuchi, Ryoichi Nakatani, Ken Ichi Machida
Materials Transactions Vol. 62 No. 8 p. 1216-1224 2021 Research paper (scientific journal)
Publisher: Japan Institute of Metals
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Bulk and element-specific magnetism of medium-entropy and high-entropy Cantor-Wu alloys
D. Billington, A. D. N. James, E. I. Harris-Lee, D. A. Lagos, D. O'Neill, N. Tsuda, K. Toyoki, Y. Kotani, T. Nakamura, H. Bei, S. Mu, G. D. Samolyuk, G. M. Stocks, J. A. Duffy, J. W. Taylor, S. R. Giblin, S. B. Dugdale
Physical Review B Vol. 102 No. 17 2020/11/05 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Time-resolved imaging of an operating hard-disk-drive write head using nano-beam x-ray magnetic circular dichroism
Hirofumi Suto, Akira Kikitsu, Yoshinori Kotani, Tomoyuki Maeda, Kentaro Toyoki, Hitoshi Osawa, Nobuaki Kikuchi, Satoshi Okamoto, Tetsuya Nakamura
Journal of Applied Physics Vol. 128 No. 13 p. 133903-133903 2020/10/07 Research paper (scientific journal)
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Orbital-dependent electric field effect on magnetism in ultrathin cobalt
Kihiro T. Yamada, Yoichi Shiota, Tomohiro Koyama, Yoshinori Kotani, Kentaro Toyoki, Hayato Mizuno, Fuyuki Ando, Kohji Nakamura, Tetsuya Nakamura, Daichi Chiba, Teruo Ono
Physical Review B Vol. 102 No. 10 2020/09/17 Research paper (scientific journal)
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Effects of texture on lattice constants of Nd2Fe14B and their relationship with internal stress in Nd-Fe-B permanent magnets
S. Kobayashi, A. Martín-Cid, K. Toyoki, H. Okazaki, S. Kawaguchi, S. Hirosawa, T. Nakamura
Physical Review Materials Vol. 4 No. 9 2020/09/14 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Voltage-controlled magnetic anisotropy in an ultrathin nickel film studied by operando x-ray magnetic circular dichroism spectroscopy
Risa Miyakaze, Shoya Sakamoto, Takeshi Kawabe, Takuya Tsukahara, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Minori Goto, Yoshishige Suzuki, Shinji Miwa
PHYSICAL REVIEW B Vol. 102 No. 1 2020/07 Research paper (scientific journal)
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Robust magnetic domain of Pt/Co/Au/Cr<inf>2</inf>O<inf>3</inf>/Pt stacked films with a perpendicular exchange bias
Yu Shiratsuchi, Saori Yoshida, Hiroaki Yoshida, Yoshinori Kotani, Kentaro Toyoki, Ryoichi Nakatani, Chiharu Mitsumata, Tetsuya Nakamura
Journal of Applied Physics Vol. 127 No. 15 p. 153902-153902 2020/04 Research paper (scientific journal)
Publisher: AIP Publishing
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Critical behavior of perpendicular exchange bias in Ru/Pd/Co/Pt/Cr<inf>2</inf>O<inf>3</inf>/Pd stacked films
Yu Shiratsuchi, Motohiro Suzuki, Kentaro Toyoki, Kohei Wakatsu, Takashi Nishimura, Tetsuya Nakamura, Ryoichi Nakatani
Physica B: Condensed Matter Vol. 583 p. 412053-412053 2020/04 Research paper (scientific journal)
Publisher: Elsevier BV
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Imaging of transient magnetization dynamics of Co/Pt multilayer dots with X-ray magnetic circular dichroism excited by microwaves
N. Kikuchi, T. Yomogita, K. Sato, S. Okamoto, O. Kitakami, H. Osawa, M. Suzuki, K. Toyoki, Y. Kotani, T. Nakamura
Japanese Journal of Applied Physics Vol. 59 No. SE p. SEED03-SEED03 2020/04/01 Research paper (scientific journal)
Publisher: IOP Publishing
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Magnetization manipulation induced by nonlocal spin injection from a perpendicular spin polarizer: nano-beam X-ray MCD study using an order-sorting-aperture collection method
Hirofumi Suto, Nobuaki Kikuchi, Satoshi Okamoto, Kentaro Toyoki, Yoshinori Kotani, Tetsuya Nakamura
Applied Physics Express Vol. 13 No. 4 p. 043002-043002 2020/04/01 Research paper (scientific journal)
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Realization of magnetoelectric effect in 50-nm-thick Cr<inf>2</inf>O<inf>3</inf> thin film
Yu Shiratsuchi, Kentaro Toyoki, Tao Yiran, Hikaru Aono, Ryoichi Nakatani
Applied Physics Express Vol. 13 No. 4 p. 043003-043003 2020/04 Research paper (scientific journal)
Publisher: IOP Publishing
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Detection of Spin Transfer from Metal to Molecule by Magnetoresistance Measurement
Hiromu Gamou, Koki Shimose, Ryoto Enoki, Emi Minamitani, Akitoshi Shiotari, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Yoshiaki Sugimoto, Makoto Kohda, Junsaku Nitta, Shinji Miwa
Nano Letters Vol. 20 No. 1 p. 75-80 2020/01/08 Research paper (scientific journal)
Publisher: American Chemical Society (ACS)
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Quantitative identification of constituent phases in a Nd-Fe-B-Cu sintered magnet and temperature dependent change of electron density of Nd2Fe14B studied by synchrotron X-ray diffraction
Hiroyuki Okazaki, David Billington, Naruki Tsuji, Wakana Ueno, Yoshinori Kotani, Shogo Kawaguchi, Kunihisa Sugimoto, Kentaro Toyoki, Tomoki Fukagawa, Takeshi Nishiuchi, Kazuhiro Hono, Satoshi Hirosawa, Tetsuya Nakamura
Acta Materialia Vol. 181 p. 530-536 2019/12 Research paper (scientific journal)
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Influence of magnetostriction on the lattice constants of the secondary phases in Nd-Fe-B sintered magnets studied by synchrotron X-ray diffraction
Shintaro Kobayashi, Andrés Martín-Cid, Kentaro Toyoki, Hiroyuki Okazaki, Satoshi Hirosawa, Tetsuya Nakamura
AIP Advances Vol. 9 No. 12 p. 125154-125154 2019/12/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Temperature dependent magnetization reversal process of a Ga-doped Nd-Fe-B sintered magnet based on first-order reversal curve analysis
Satoshi Okamoto, Kazunori Miyazawa, Takahiro Yomogita, Nobuaki Kikuchi, Osamu Kitakami, Kentaro Toyoki, David Billington, Yoshinori Kotani, Tetsuya Nakamura, Taisuke Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono, Yukio Takada, Takashi Sato, Yuji Kaneko, Akira Kato
Acta Materialia Vol. 178 p. 90-98 2019/10 Research paper (scientific journal)
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Microscopic origin of large perpendicular magnetic anisotropy in an FeIr/MgO system
Shinji Miwa, Takayuki Nozaki, Masahito Tsujikawa, Motohiro Suzuki, Takuya Tsukahara, Takeshi Kawabe, Yoshinori Kotani, Kentaro Toyoki, Minori Goto, Tetsuya Nakamura, Masafumi Shirai, Shinji Yuasa, Yoshishige Suzuki
Physical Review B Vol. 99 No. 18 2019/05/16 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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First-order reversal curve analysis of a Nd-Fe-B sintered magnet with soft X-ray magnetic circular dichroism microscopy
Kazunori Miyazawa, Satoshi Okamoto, Takahiro Yomogita, Nobuaki Kikuchi, Osamu Kitakami, Kentaro Toyoki, David Billington, Yoshinori Kotani, Tetsuya Nakamura, Taisuke Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono
Acta Materialia Vol. 162 p. 1-9 2019/01 Research paper (scientific journal)
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Observation of the magnetoelectric reversal process of the antiferromagnetic domain
Yu Shiratsuchi, Shunsuke Watanabe, Hiroaki Yoshida, Noriaki Kishida, Ryoichi Nakatani, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura
Applied Physics Letters Vol. 113 No. 24 p. 242404-242404 2018/12/10 Research paper (scientific journal)
Publisher: AIP Publishing
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Manipulation of Antiferromagnetic Spin Using Tunable Parasitic Magnetization in Magnetoelectric Antiferromagnet
Tomohiro Nozaki, Muftah Al‐Mahdawi, Yohei Shiokawa, Satya Prakash Pati, Shujun Ye, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Motohiro Suzuki, Syougo Yonemura, Tatsuo Shibata, Masashi Sahashi
physica status solidi (RRL) – Rapid Research Letters Vol. 12 No. 12 p. 1800366-1800366 2018/12 Research paper (scientific journal)
Publisher: Wiley
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Antiferromagnetic domain wall creep driven by magnetoelectric effect
Yu Shiratsuchi, Hiroaki Yoshida, Yoshinori Kotani, Kentaro Toyoki, Thi Van Anh Nguyen, Tetsuya Nakamura, Ryoichi Nakatani
APL Materials Vol. 6 No. 12 p. 121104-121104 2018/12/01 Research paper (scientific journal)
Publisher: AIP Publishing
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Electric field effect on magnetism in a MgO/Pd/Co system with a solid-state capacitor structure
Aya Obinata, Takamasa Hirai, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Tomohiro Koyama, Daichi Chiba
AIP ADVANCES Vol. 8 No. 11 p. 115122-115122 2018/11 Research paper (scientific journal)
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Unmasking the interior magnetic domain structure and evolution in Nd-Fe-B sintered magnets through high-field magnetic imaging of the fractured surface
David Billington, Kentaro Toyoki, Hiroyuki Okazaki, Yoshinori Kotani, Tomoki Fukagawa, Takeshi Nishiuchi, Satoshi Hirosawa, Tetsuya Nakamura
Physical Review Materials Vol. 2 No. 10 2018/10/26 Research paper (scientific journal)
Publisher: American Physical Society (APS)
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Realization of a scanning soft X-ray microscope for magnetic imaging under high magnetic fields
Yoshinori Kotani, Yasunori Senba, Kentaro Toyoki, David Billington, Hiroyuki Okazaki, Akira Yasui, Wakana Ueno, Haruhiko Ohashi, Satoshi Hirosawa, Yu Shiratsuchi, Tetsuya Nakamura
Journal of Synchrotron Radiation Vol. 25 No. 5 p. 1444-1449 2018/09/01 Research paper (scientific journal)
Publisher: International Union of Crystallography (IUCr)
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Temperature dependence of the crystal structures and phase fractions of secondary phases in a Nd-Fe-B sintered magnet
Naruki Tsuji, Hiroyuki Okazaki, Wakana Ueno, Yoshinori Kotani, David Billington, Akira Yasui, Shogo Kawaguchi, Kunihisa Sugimoto, Kentaro Toyoki, Tomoki Fukagawa, Takeshi Nishiuchi, Yoshihiro Gohda, Satoshi Hirosawa, Kazuhiro Hono, Tetsuya Nakamura
Acta Materialia Vol. 154 p. 25-32 2018/08/01 Research paper (scientific journal)
Publisher: Acta Materialia Inc
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Inserted metals for low-energy magnetoelectric switching in a Cr2O3/ferromagnet interfacial exchange-biased thin film system
Shujun Ye, Tomohiro Nozaki, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Syougo Yonemura, Tatsuo Shibata, Satya Prakash Pati, Muftah Al-Mahdawi, Yohei Shiokawa, Masashi Sahashi
Journal of Materials Chemistry C Vol. 6 No. 12 p. 2962-2969 2018 Research paper (scientific journal)
Publisher: Royal Society of Chemistry
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Electric-field-induced changes of magnetic moments and magnetocrystalline anisotropy in ultrathin cobalt films
Takeshi Kawabe, Kohei Yoshikawa, Masahito Tsujikawa, Takuya Tsukahara, Kohei Nawaoka, Yoshinori Kotani, Kentaro Toyoki, Minori Goto, Motohiro Suzuki, Tetsuya Nakamura, Masafumi Shirai, Yoshishige Suzuki, Shinji Miwa
Physical Review B Vol. 96 No. 22 2017/12/26 Research paper (scientific journal)
Publisher: American Physical Society
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Characterization of the magnetic moments of ultrathin Fe film in an external electric field via high-precision X-ray magnetic circular dichroism spectroscopy
Takuya Tsukahara, Takeshi Kawabe, Koki Shimose, Taishi Furuta, Risa Miyakaze, Kohei Nawaoka, Minori Goto, Takayuki Nozaki, Shinji Yuasa, Yoshinori Kotani, Kentaro Toyoki, Motohiro Suzuki, Tetsuya Nakamura, Yoshishige Suzuki, Shinji Miwa
Japanese Journal of Applied Physics Vol. 56 No. 6 p. 060304-060304 2017/06/01 Research paper (scientific journal)
Publisher: Japan Society of Applied Physics
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Simultaneous achievement of high perpendicular exchange bias and low coercivity by controlling ferromagnetic/antiferromagnetic interfacial magnetic anisotropy
Yu Shiratsuchi, Wataru Kuroda, Thi Van Anh Nguyen, Yoshinori Kotani, Kentaro Toyoki, Tetsuya Nakamura, Motohiro Suzuki, Kohji Nakamura, Ryoichi Nakatani
Journal of Applied Physics Vol. 121 No. 7 p. 073902-073902 2017/02/21 Research paper (scientific journal)
Publisher: AIP Publishing
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Switching of perpendicular exchange bias in Pt/Co/Pt/α-Cr<inf>2</inf>O<inf>3</inf>/Pt layered structure using magneto-electric effect
Kentaro Toyoki, Yu Shiratsuchi, Atsushi Kobane, Shotaro Harimoto, Satoshi Onoue, Hikaru Nomura, Ryoichi Nakatani
Journal of Applied Physics Vol. 117 No. 17 p. 17D902-17D902 2015/05/07 Research paper (scientific journal)
Publisher: AIP Publishing
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Magnetoelectric switching of perpendicular exchange bias in Pt/Co/α-Cr2O3/Pt stacked films
Kentaro Toyoki, Yu Shiratsuchi, Atsushi Kobane, Chiharu Mitsumata, Yoshinori Kotani, Tetsuya Nakamura, Ryoichi Nakatani
Applied Physics Letters Vol. 106 No. 16 p. 162404-162404 2015/04/20 Research paper (scientific journal)
Publisher: American Institute of Physics Inc.
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Isothermal switching of perpendicular exchange anisotropy in Pt/Co/α-Cr2O3/Pt layered structure by pulsed voltage
Shiratsuchi Yu, Toyoki Kentaro, Kobane Atsushi, Mitsumata Chiharu, Nakatani Ryoichi
JSAP Annual Meetings Extended Abstracts Vol. 2015.1 p. 1919-1919 2015/02/26
Publisher: The Japan Society of Applied Physics
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Direct observations of ferromagnetic and antiferromagnetic domains in Pt/Co/Cr2O3/Pt perpendicular exchange biased film
Yu Shiratsuchi, Yoshinori Kotani, Saori Yoshida, Yasunori Yoshikawa, Kentaro Toyoki, Atsushi Kobane, Ryoichi Nakatani, Tetsuya Nakamura
AIMS Materials Science Vol. 2 No. 4 p. 484-496 2015 Research paper (scientific journal)
Publisher: AIMS Press
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Equilibrium surface magnetization of α-Cr2O3 studied through interfacial chromium magnetization in Co/α-Cr2O3 layered structures
Kentaro Toyoki, Yu Shiratsuchi, Tetsuya Nakamura, Chiharu Mitsumata, Shotaro Harimoto, Yuichiro Takechi, Takashi Nishimura, Hikaru Nomura, Ryoichi Nakatani
Applied Physics Express Vol. 7 No. 11 p. 114201-114201 2014/11/01 Research paper (scientific journal)
Publisher: Japan Society of Applied Physics
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Magneto-electric effect of α-Cr2O3(0001) thin film on perpendicular exchange bias and influence of Pt spacer layer
Shiratsuchi Yu, Toyoki Kentaro, Nakamura Tetsuya, Suzuki Motohiro, Harimoto Shotaro, Onoue Satoshi, Nomura Hikaru, Mitsumata Chiharu, Nakatani Ryoichi
JSAP Annual Meetings Extended Abstracts Vol. 2014.2 p. 1831-1831 2014/09/01
Publisher: The Japan Society of Applied Physics
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High-temperature regeneration of perpendicular exchange anisotropy in Pt/Co/Pt/α-Cr2O3/Pt thin film
Shiratsuchi Yu, Takechi Yuichiro, Toyoki Kentaro, Nakano Yuuta, Onoue Satoshi, Mitsumata Chiharu, Nakatani Ryoichi
JSAP Annual Meetings Extended Abstracts Vol. 2014.1 p. 1894-1894 2014/03/03
Publisher: The Japan Society of Applied Physics
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Magnetic domain wall energy in Ni/Co superlattices
Kentaro Toyoki, Takashi Nishimura, Shotaro Harimoto, Yu Shiratsuchi, Ryoichi Nakatani
Journal of Magnetism and Magnetic Materials Vol. 372 p. 41-46 2014 Research paper (scientific journal)
Publisher: Elsevier
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High-temperature regeneration of perpendicular exchange bias in a Pt/Co/Pt/α-Cr2O3/Pt thin film system
Yu Shiratsuchi, Yuichiro Takechi, Kentaro Toyoki, Yuuta Nakano, Satoshi Onoue, Chiharu Mitsumata, Ryoichi Nakatani
Applied Physics Express Vol. 6 No. 12 p. 123004-123004 2013/12 Research paper (scientific journal)
Publisher: IOP Publishing