Sakai Hideaki

Affiliation and department：
Homepage URL (1)： http://hide-sakai.net

Research field (2)： Applied materials , Magnetism, superconductivity, and strongly correlated systems

Research keywords (8)：磁気熱量効果 , 巨大磁気抵抗効果 , マルチフェロイクス , quantum transport , 高圧合成 , thermoelectricity , Dirac fermion systems , strongly correlated electron systems

Research theme for competitive and other funds (9)：

2023 - 2028 Exploration and elucidation of band electrons at 1000 T
2022 - 2026 スピン・バレー結合した超高易動度ディラック電子の新奇非相反・非線形伝導現象の開拓
2019 - 2022 Study of quantum transport phenomena in Dirac magnets with spontaneous magnetisation
2019 - 2021 Exploring novel magnets hosting a honeycomb network and their anomalous magneto-electric effect
2016 - 2019 Study of magnets hosting strongly correlated Dirac fermions

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Papers (72)：

Kentaro Shoriki, Keigo Moriishi, Yoshihiro Okamura, Kohei Yokoi, Hidetomo Usui, Hiroshi Murakawa, Hideaki Sakai, Noriaki Hanasaki, Yoshinori Tokura, Youtarou Takahashi. Large nonlinear optical magnetoelectric response in a noncentrosymmetric magnetic Weyl semimetal. Proceedings of the National Academy of Sciences. 2024. 121. 12
Ryuta Ishii, Misato Uejo, Erina Watari, Mitsuo Ikeda, Hiroshi Murakawa, Hideaki Sakai, Masaki Matsuda, Hideo Yoshioka, Masahisa Tsuchiizu, Noriaki Hanasaki. Ferrimagnetic charge order in molecular conductors with diluted localized spins exhibiting enhanced giant magnetoresistance effect. Physical Review B. 2023. 108. 20
H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, et al. Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi₂. Physical Review B. 2023. 108. 11. 115142-1-115142-7
H. Murakawa, Y. Nakaoka, K. Iwase, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki. Giant negative magnetoresistance in the layered semiconductor CeTe2-xSbx with variable magnetic polaron density. Physical Review B. 2023. 107. 16
M. Kondo, M. Ochi, R. Kurihara, A. Miyake, Y. Yamasaki, M. Tokunaga, H. Nakao, K. Kuroki, T. Kida, M. Hagiwara, et al. Field-tunable Weyl points and large anomalous Hall effect in the degenerate magnetic semiconductor EuMg2Bi2. Physical Review B. 2023. 107. 12. L121112

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MISC (3)：

Patents (7)：

マンガン酸化物、マンガン酸化物を備える強誘電体メモリ素子、および強誘電体メモリ装置
2安定抵抗値取得装置及びその製造方法
白金薄膜の形成法
2安定抵抗値取得装置及びその製造方法
メモリ装置

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Lectures and oral presentations (18)：

Control of lattice and magnetism of layered Dirac materials: Material design and uniaxial stress
(Elast-Q-Mat Colloquia 2024)
Exploration of Dirac/Weyl magnets based on the block-layer concept
(Max-Planck Institute CPfS seminar 2023)
特異なスピン分裂バンドを有するトポロジカル磁性体の輸送現象
(第2回「第一原理計算と機械学習の進歩と調和」研究会 2023)
ブロック層制御による磁性・極性トポロジカル物質の開拓
(金研研究会ー強相関物質における創発物性研究の現状と将来展望 2023)
Block-layer Design of Magnetic and Polar Dirac/Weyl Semimetals
(The 6th Symposium for the Core Research Clusters for Materials Science and Spintronics, and the 5th Symposium on International Joint Graduate Program in Materials Science 2022)

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Education (3)：

2005 - 2008 東京大学大学院工学系研究科物理工学専攻(博士課程)
2001 - 2003 東京大学大学院理学系研究科物理学専攻(修士課程)
1997 - 2001 The University of Tokyo Faculty of Science Department of Physics

Professional career (1)：

博士(工学) (東京大学)

Work history (11)：

2015/04 - 現在 Osaka University Graduate School of Science, Department of Physics
2023/08 - 2024/01 マックスプランク固体化学物理学研究所客員研究員(兼任)
2022/04 - 2023/03 東北大学金属材料研究所委嘱准教授(兼任)
2016/10 - 2020/03 Japan Science and Technology Agency
2016/04 - 2016/09 The University of Tokyo The Institute for Solid State Physics

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Awards (3)：

2023/02 - Communications Materials (Nature Portfolio) Reviewer of the Month Outstanding Referee
2019/11 - 強磁場フォーラム第1回フロンティア奨励賞
2018/11 - 大阪大学大阪大学賞

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