顔写真

PHOTO

Sakai Hideaki
酒井　英明
Sakai Hideaki
酒井　英明
Institutional repository
Graduate School of Science　Department of Physics, Associate Professor

keyword quantum transport，thermoelectricity，Dirac fermion systems，strongly correlated electron systems

Institutional repository

Research History 11

  1. 2015/04 - Present
    Osaka University　Graduate School of Science, Department of Physics

  2. 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）

  3. 2022/04 - 2023/03
    東北大学 金属材料研究所　委嘱准教授（兼任）

  4. 2016/10 - 2020/03
    Japan Science and Technology Agency

  5. 2016/04 - 2016/09
    The University of Tokyo　The Institute for Solid State Physics

  6. 2011/10 - 2015/03
    The University of Tokyo　The Graduate School of Engineering, Department of Applied Physics

  7. 2010/07 - 2011/10
    セントアンドリュース大学　物理・天文学科　リサーチフェロー

  8. 2010/07 - 2011/06
    キャノンファンデーション ヨーロッパ　リサーチフェロー（兼任）

  9. 2008/10 - 2010/06
    理化学研究所　交差相関物質研究チーム　基礎科学特別研究員

  10. 2007/04 - 2008/09
    日本学術振興会　特別研究員DC2

  11. 2003/04 - 2005/09
    日本電信電話株式会社　マイクロシステムインテグレーション研究所　社員

Education 3

  1. 東京大学大学院　工学系研究科　物理工学専攻（博士課程）

    2005/10 - 2008/09

  2. 東京大学大学院　理学系研究科　物理学専攻（修士課程）

    2001/04 - 2003/03

  3. The University of Tokyo　Faculty of Science　Department of Physics

    1997/04 - 2001/03

Research Areas 2

  1. Nanotechnology/Materials / Applied materials /

  2. Natural sciences / Magnetism, superconductivity, and strongly correlated systems /

Awards 3

  1. Reviewer of the Month

    Hideaki Sakai　Communications Materials (Nature Portfolio)　2023/02

  2. 第1回フロンティア奨励賞

    酒井英明　強磁場フォーラム　2019/11

  3. 大阪大学賞

    酒井 英明　大阪大学　2018/11

Papers 76

  1. Observation of Zeeman splitting in the spin-polarized chiral fermion state in the Weyl semimetal TaAs

    H. Murakawa, M. Komada, D.-A. Deaconu, M. S. Bahramy, R. V. Belosludov, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki

    Physical Review B　Vol. 112　No. 4　2025/07/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  2. Anomalous Hall and Nernst effect and thermoelectric performance of Sb-doped <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>MnB</mml:mi><mml:msub><mml:mi mathvariant="normal">i</mml:mi><mml:mn>6</mml:mn></mml:msub><mml:mi mathvariant="normal">T</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>10</mml:mn></mml:msub></mml:mrow></mml:math>

    Xinmeng Hu, Takayoshi Katase, Masaki Kondo, Noriaki Hanasaki, Hideaki Sakai, Jiazhen Wu

    Physical Review Materials　Vol. 9　No. 1　p. 015403-015403　2025/01/27　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  3. Nonreciprocal charge transport in polar Dirac metals with tunable spin-valley coupling

    M. Kondo, M. Kimata, M. Ochi, T. Kaneko, K. Kuroki, K. Sudo, S. Sakaguchi, H. Murakawa, N. Hanasaki, H. Sakai

    Physical Review Research　Vol. 7　No. 1　2025/01/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  4. Local structural disorder introduced by Cr in fcc high-/medium-entropy alloys consisting of 3d transition metal elements

    D. Furuya, M. Oda, Z. Chen, L. Li, H. Murakawa, H. Sakai, H. Nitani, Y. Niwa, H. Abe, H. Uetsuka, T. Karube, H. Inui, N. Hanasaki

    Applied Physics Letters　Vol. 125　No. 20　2024/11/11　Research paper (scientific journal)

    Publisher: AIP Publishing

  5. Large nonlinear optical magnetoelectric response in a noncentrosymmetric magnetic Weyl semimetal

    Kentaro Shoriki, Keigo Moriishi, Yoshihiro Okamura, Kohei Yokoi, Hidetomo Usui, Hiroshi Murakawa, Hideaki Sakai, Noriaki Hanasaki, Yoshinori Tokura, Youtarou Takahashi

    Proceedings of the National Academy of Sciences　Vol. 121　No. 12　2024/03/14　Research paper (scientific journal)

    Publisher: Proceedings of the National Academy of Sciences

  6. Ferrimagnetic charge order in molecular conductors with diluted localized spins exhibiting enhanced giant magnetoresistance effect

    Ryuta Ishii, Misato Uejo, Erina Watari, Mitsuo Ikeda, Hiroshi Murakawa, Hideaki Sakai, Masaki Matsuda, Hideo Yoshioka, Masahisa Tsuchiizu, Noriaki Hanasaki

    Physical Review B　Vol. 108　No. 20　2023/11/09　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  7. Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi2

    H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, N. Hanasaki

    Physical Review B　Vol. 108　No. 11　p. 115142-1-115142-7　2023/09/21　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  8. Giant negative magnetoresistance in the layered semiconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>CeTe</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Sb</mml:mi><mml:mi>x</mml:mi></mml:msub></mml:mrow></mml:math> with variable magnetic polaron density

    H. Murakawa, Y. Nakaoka, K. Iwase, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki

    Physical Review B　Vol. 107　No. 16　2023/04/24　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  9. Field-tunable Weyl points and large anomalous Hall effect in the degenerate magnetic semiconductor EuMg2Bi2

    M. Kondo, M. Ochi, R. Kurihara, A. Miyake, Y. Yamasaki, M. Tokunaga, H. Nakao, K. Kuroki, T. Kida, M. Hagiwara, H. Murakawa, N. Hanasaki, H. Sakai

    Physical Review B　Vol. 107　No. 12　2023/03　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  10. High-field Studies on Layered Magnetic and Polar Dirac Metals: Novel Quantum Transport Phenomena Coupled with Spin-valley Degrees of Freedom

    Hideaki Sakai

    Journal of the Physical Society of Japan　Vol. 91　No. 10　p. 101001-101001　2022/10/15　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  11. Anomalous Nernst effect in the nonmagnetic nodal-line semimetal PbTaSe2

    Kohei Yokoi, Hiroshi Murakawa, Hideaki Sakai, Noriaki Hanasaki

    Physical Review B　Vol. 106　No. 11　2022/09/12　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  12. In-plane anisotropic charge dynamics in the layered polar Dirac semimetal BaMnSb2

    H. Yoshizawa, H. Sakai, M. Kondo, M. Ochi, K. Kuroki, N. Hanasaki, J. Fujioka

    Physical Review B　Vol. 105　No. 24　2022/06/15　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  13. Giant anisotropic magnetoresistance at low magnetic fields in a layered semiconductor

    H. Murakawa, Y. Nakaoka, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki

    Physical Review Materials　Vol. 6　No. 5　2022/05/31　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  14. Magnetic Generation and Switching of Topological Quantum Phases in a Trivial Semimetal α−EuP3

    Alex Hiro Mayo, Hidefumi Takahashi, Mohammad Saeed Bahramy, Atsuro Nomoto, Hideaki Sakai, Shintaro Ishiwata

    Physical Review X　Vol. 12　No. 1　2022/02/18　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  15. Element dependence of local disorder in medium-entropy alloy CrCoNi

    N. Hanasaki, M. Oda, K. Niitsu, K. Ehara, H. Murakawa, H. Sakai, H. Nitani, H. Abe, H. Sagayama, H. Uetsuka, T. Karube, H. Inui

    AIP Advances　Vol. 11　No. 12　p. 125216-125216　2021/12/01　Research paper (scientific journal)

    Publisher: AIP Publishing

  16. ブロック層を利用した多彩なディラック電子系物質の開拓ー磁性・極性とのカップリング

    酒井英明

    日本物理学会誌（最近の研究から）　Vol. 76　No. 11　p. 729-734　2021/11

  17. Dirac Loops in a Strongly Correlated Metal: Origin of Large Magnetoresistance?

    Hideaki Sakai

    JPSJ News and Comments　Vol. 18　2021/10/22　Research paper (scientific journal)

    Publisher: Physical Society of Japan

  18. Variation of charge dynamics upon antiferromagnetic transitions in the Dirac semimetal EuMnBi2

    H. Nishiyama, H. Sakai, K. Nakagawa, N. Hanasaki, S. Ishiwata, H. Masuda, M. Ochi, K. Kuroki, S. Iguchi, T. Sasaki, Y. Ikemoto, T. Moriwaki, K. Ueda, Y. Tokura, J. Fujioka

    Physical Review B　Vol. 104　No. 11　2021/09/07　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  19. Tunable spin-valley coupling in layered polar Dirac metals

    Masaki Kondo, Masayuki Ochi, Tatsuhiro Kojima, Ryosuke Kurihara, Daiki Sekine, Masakazu Matsubara, Atsushi Miyake, Masashi Tokunaga, Kazuhiko Kuroki, Hiroshi Murakawa, Noriaki Hanasaki, Hideaki Sakai

    Communications Materials　Vol. 2　No. 1　2021/05/14　Research paper (scientific journal)

  20. Enhancing Thermopower and Nernst Signal of High‐Mobility Dirac Carriers by Fermi Level Tuning in the Layered Magnet EuMnBi 2

    Keigo Tsuruda, Kento Nakagawa, Masayuki Ochi, Kazuhiko Kuroki, Masashi Tokunaga, Hiroshi Murakawa, Noriaki Hanasaki, Hideaki Sakai

    Advanced Functional Materials　Vol. 31　No. 29　2021/05/06　Research paper (scientific journal)

  21. Optimizations of the Sintering Temperature to Reduce the Nd3RuO7 Phase and Investigations of their Effect on the Magnetic Properties in Nd2Ru2O7

    Utami Widyaiswari, Hideaki Sakai, Noriaki Hanasaki, Budhy Kurniawan, Isao Watanabe

    Materials Science Forum　Vol. 1028　p. 3-8　2021/04　Research paper (scientific journal)

    Publisher: Trans Tech Publications, Ltd.

  22. Ta181 nuclear quadrupole resonance study of the noncentrosymmetric superconductor PbTaSe2

    K. Yokoi, M. Yashima, H. Murakawa, H. Mukuda, K. Yamauchi, T. Oguchi, H. Sakai, N. Hanasaki

    Physical Review B　Vol. 102　No. 21　2020/12/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  23. Switching of band inversion and topological surface states by charge density wave

    N. Mitsuishi, Y. Sugita, M. S. Bahramy, M. Kamitani, T. Sonobe, M. Sakano, T. Shimojima, H. Takahashi, H. Sakai, K. Horiba, H. Kumigashira, K. Taguchi, K. Miyamoto, T. Okuda, S. Ishiwata, Y. Motome, K. Ishizaka

    Nature Communications　Vol. 11　No. 1　2020/12　Research paper (scientific journal)

    Publisher: Springer Science and Business Media LLC

  24. Magnetic Properties of Pyrochlore Ruthenate Nd2Ru2O7 Studied by μSR

    Utami Widyaiswari, Hideaki Sakai, Kanji Inoue, Noriaki Hanasaki, Dita Puspita Sari, Budhy Kurniawan, Isao Watanabe

    Key Engineering Materials　Vol. 860　p. 288-293　2020/08　Research paper (scientific journal)

    Publisher: Trans Tech Publications, Ltd.

  25. Ferroelectric atomic displacement in multiferroic tetragonal perovskite Sr1/2Ba1/2MnO3

    D. Okuyama, K. Yamauchi, H. Sakai, Y. Taguchi, Y. Tokura, K. Sugimoto, T. J. Sato, T. Oguchi

    Physical Review Research　Vol. 2　No. 3　2020/07/08　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  26. Nanoscale Imaging of Unusual Photoacoustic Waves in Thin Flake VTe2

    Asuka Nakamura, Takahiro Shimojima, Yusuke Chiashi, Manabu Kamitani, Hideaki Sakai, Shintaro Ishiwata, Han Li, Kyoko Ishizaka

    Nano Letters　Vol. 20　No. 7　p. 4932-4938　2020/06/09　Research paper (scientific journal)

    Publisher: American Chemical Society (ACS)

  27. Field-induced spin reorientation in the antiferromagnetic Dirac material EuMnBi2 revealed by neutron and resonant x-ray diffraction

    H. Masuda, H. Sakai, H. Takahashi, Y. Yamasaki, A. Nakao, T. Moyoshi, H. Nakao, Y. Murakami, T. Arima, S. Ishiwata

    Physical Review B　Vol. 101　No. 17　2020/05/06　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  28. Angular dependence of interlayer magnetoresistance for antiferromagnetic Dirac semimetal $A$MnBi$_2$ ($A$=Sr, Eu)

    M. Kondo, H. Sakai∗, M. Komada, H. Murakawa, and N. Hanasaki

    JPS Conf. Proc.　Vol. 30　2020/03/19　Research paper (international conference proceedings)

  29. Bulk quantum Hall effect of spin-valley coupled Dirac fermions in the polar antiferromagnet BaMnSb2

    H. Sakai, H. Fujimura, S. Sakuragi, M. Ochi, R. Kurihara, A. Miyake, M. Tokunaga, T. Kojima, D. Hashizume, T. Muro, K. Kuroda, Takeshi Kondo, T. Kida, M. Hagiwara, K. Kuroki, M. Kondo, K. Tsuruda, H. Murakawa, N. Hanasaki

    Physical Review B　Vol. 101　No. 8　2020/02/13　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  30. Angle-dependent nontrivial phase in the Weyl semimetal NbAs with anisotropic Fermi surface

    M. Komada, H. Murakawa, M. S. Bahramy, T. Kida, K. Yokoi, Y. Narumi, K. Kindo, M. Hagiwara, H. Sakai, and N. Hanasaki

    Phys. Rev. B　Vol. 101　No. 4　p. 045135-045135　2020/01/29　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  31. 新奇伝導現象を示すディラック・ワイル電子系強相関物質の開発

    酒井英明

    生産と技術　Vol. 72　No. 1　p. 91-93　2020/01

  32. 圧力による電子バレー制御を利用した熱電性能の向上

    酒井英明

    クリーンエネルギー（日本工業出版）　Vol. 28　No. 11　p. 20-24　2019/11

  33. Giant enhancement of cryogenic thermopower by polar structural instability in the pressurized semimetal MoTe2

    Hidefumi Takahashi, Kento Hasegawa, Tomoki Akiba, Hideaki Sakai, Mohammad Saeed Bahramy, Shintaro Ishiwata

    PHYSICAL REVIEW B　Vol. 100　No. 19　p. 195130-195130　2019/11　Research paper (scientific journal)

  34. High pressure synthesis of quasi-one-dimensional GdFeO3-type perovskite PrCuO3 with nearly divalent Cu ions

    M. Ito, H. Takahashi, H. Sakai, H. Sagayama, Y. Yamasaki, Y. Yokoyama, H. Setoyama, H. Wadati, K. Takahashi, Y. Kusano, S. Ishiwata

    Chem. Commun.　Vol. 55　No. 61　p. 8931-8934　2019/07　Research paper (scientific journal)

  35. Defect-induced electronic structures on SnSe surfaces

    K. Asakawa, F. Oguro, Y. Yoshida, H. Sakai, N. Hanasaki, Y. Hasegawa

    Jpn. J. Appl. Phys.　Vol. 58　2019/06　Research paper (international conference proceedings)

  36. Large Enhancement of Thermoelectric Efficiency Due to a Pressure-Induced Lifshitz Transition in SnSe

    T. Nishimura, H. Sakai∗, H. Mori, K. Akiba, H. Usui, M. Ochi, K. Kuroki, A. Miyake, M. Tokunaga, Y. Uwatoko, K. Katayama, H. Murakawa, and N. Hanasaki

    Phys. Rev. Lett.　Vol. 122　No. 22　2019/06　Research paper (scientific journal)

  37. Nanoscale ice-type structural fluctuation in spinel titanetes

    S. Torigoe, T. Hattori, K. Kodama, T. Honda, H. Sagayama, K. Ikeda, T. Otomo, H. Nitani, H. Abe, H. Murakawa, H. Sakai, N. Hanasaki

    Phys. Rev. B　Vol. 98　No. 13　2018/10　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  38. Negative-pressure-induced helimagnetism in ferromagnetic cubic perovskites Sr1−xBaxCoO3

    H. Sakai, S. Yokoyama, A. Kuwabara, J. S. White, E. Can ́evet, H. M. Rønnow, T. Koretsune, R. Arita, A. Miyake, M. Tokunaga, Y. Tokura, S. Ishiwata

    Phys. Rev. Materials　Vol. 2　2018/10　Research paper (scientific journal)

  39. Impact of antiferromagnetic order on Landau-level splitting of quasi-two-dimensional Dirac fermions in EuMnBi2

    H. Masuda, H. Sakai∗, M. Tokunaga, M. Ochi, H. Takahashi, K. Akiba, A. Miyake, K. Kuroki, Y. Tokura, and S. Ishiwata,

    Phys. Rev. B　Vol. 98　2018/10　Research paper (scientific journal)

  40. Quantitative evaluation of Dirac physics in PbTe

    K. Akiba, A. Miyake, H. Sakai, K. Katayama, H. Murakawa, N. Hanasaki, S. Takaoka, Y. Nakanishi, M. Yoshizawa, M. Tokunaga

    Phys. Rev. B　Vol. 98　No. 11　2018/09　Research paper (scientific journal)

  41. Evaluation of photo-induced shear strain in monoclinic VTe2 by ultrafast electron diffraction

    A. Nakamura, T. Shimojima, M. Matsuura, Y. Chiashi, M. Kamitani, H. Sakai, S. Ishiwata, H. Li, A. Oshiyama, K. Ishizaka

    Appl. Phys. Express　Vol. 11　No. 9　p. 092601-092601　2018/08　Research paper (scientific journal)

    Publisher: IOP Publishing

  42. Effect of uniaxial stress on the magnetic phases of CeAuSb2

    J. Park, H. Sakai, A. P. Mackenzie, C.W. Hicks

    Phys. Rev. B　Vol. 98　2018/07　Research paper (scientific journal)

  43. Electrochemical synthesis of phthalocyanine–molecular mixed crystals in dilute solution

    R. Ishii, H. Murakawa, M. Nishi, M. Matsuda, H. Sakai, N. Hanasaki

    Journal of Crystal Growth　Vol. 487　p. 92-95　2018/04/01　Research paper (scientific journal)

    Publisher: Elsevier B.V.

  44. Enhanced magnetoresistance in the binary semimetal NbAs2 due to improved crystal quality

    K. Yokoi, H. Murakawa, M. Komada, T. Kida, M. Hagiwara, H. Sakai, N. Hanasaki

    Phys. Rev. Materials　Vol. 2　No. 2　2018/02　Research paper (scientific journal)

  45. Effect of applied orthorhombic lattice distortion on the antiferromagnetic phase of CeAuSb2

    Joonbum Park, Hideaki Sakai, Onur Erten, Andrew P. Mackenzie, Clifford W. Hicks

    Physical Review B　Vol. 97　No. 2　2018/01/11　Research paper (scientific journal)

    Publisher: American Physical Society

  46. Lattice Dynamics of 1T’-MoTe2 Studied by Time-Resolved Transmission X-Ray Diffraction at SACLA

    T. Shimojima, A. Nakamura, K. Ishizaka, Y. Tanaka, K. Takubo, Y. Hirata, H. Wadati, S. Yamamoto, I. Matsuda, K. Ikeura, H. Takahashi, H. Sakai, S. Ishiwata, T. Togashi, S. Owada, T. Katayama, K. Tono, M. Yabashi, S. Shin

    Adv. X-Ray. Chem. Anal., Japan　Vol. 49　p. 163-168　2018　Research paper (scientific journal)

  47. High-Pressure Synthesis of Perovskite-Type Oxides with Unusually High Valence Iron/Cobalt Ions and Exploration of Novel Magnetic Phases

    ISHIWATA Shintaro, TAKAHASHI Hidefumi, SAKAI Hideaki

    The Review of High Pressure Science and Technology　Vol. 28　No. 3　p. 206-216　2018

    Publisher: The Japan Society of High Pressure Science and Technology

  48. Magnetocaloric Materials with Multiple Instabilities

    Yasujiro Taguchi, Hideaki Sakai, Debraj Choudhury

    ADVANCED MATERIALS　Vol. 29　No. 25　2017/07　Research paper (scientific journal)

  49. Observation of spin-polarized bands and domain-dependent Fermi arcs in polar Weyl semimetal MoTe2

    M. Sakano, M. S. Bahramy, H. Tsuji, I. Araya, K. Ikeura, H. Sakai, S. Ishiwata, K. Yaji, K. Kuroda, A. Harasawa, S. Shin, K. Ishizaka

    PHYSICAL REVIEW B　Vol. 95　No. 12　2017/03　Research paper (scientific journal)

  50. Anticorrelation between polar lattice instability and superconductivity in the Weyl semimetal candidate MoTe2

    H. Takahashi, T. Akiba, K. Imura, T. Shiino, K. Deguchi, N. K. Sato, H. Sakai, M. S. Bahramy, S. Ishiwata

    PHYSICAL REVIEW B　Vol. 95　No. 10　2017/03　Research paper (scientific journal)

  51. 磁石の中のスピン秩序を利用したディラック電子の制御

    酒井英明

    パリティ（丸善出版）　Vol. 32　No. 1　2017/01

  52. Contrasting Magnetic Behaviors in Rhodium- and Ruthenium-Doped Cubic Perovskite SrFeO3: Nearly Ferromagnetic Metal versus Spin-Glass Insulator

    Masataka Kinoshita, Hideaki Sakai, Naoaki Hayashi, Yoshinori Tokura, Mikio Takano, Shintaro Ishiwata

    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION　Vol. 55　No. 49　p. 15292-15296　2016/12　Research paper (scientific journal)

  53. Critical enhancement of thermopower in a chemically tuned polar semimetal MoTe2

    Hideaki Sakai, Koji Ikeura, Mohammad Saeed Bahramy, Naoki Ogawa, Daisuke Hashizume, Jun Fujioka, Yoshinori Tokura, Shintaro Ishiwata

    SCIENCE ADVANCES　Vol. 2　No. 11　2016/11　Research paper (scientific journal)

  54. ディラック電子の流れを制御できる新磁性体

    酒井英明

    パリティ（丸善出版）　Vol. 31　No. 11　2016/11

  55. Relation between the structural phase transition and superconductivity in CuxIrTe2-ySey

    M. Kamitani, H. Sakai, Y. Tokura, S. Ishiwata

    PHYSICAL REVIEW B　Vol. 94　No. 13　2016/10　Research paper (scientific journal)

  56. 新しい多層ディラック電子系EuMnBi2における磁気秩序と結合した量子伝導現象

    酒井英明, 増田英俊, 石渡晋太郎

    固体物理（アグネ）　Vol. 51　No. 9　2016/09

  57. Field-temperature phase diagram and entropy landscape of CeAuSb2

    Lishan Zhao, Edward A. Yelland, Jan A. N. Bruin, Ilya Sheikin, Paul C. Canfield, Veronika Fritsch, Hideaki Sakai, Andrew P. Mackenzie, Clifford W. Hicks

    PHYSICAL REVIEW B　Vol. 93　No. 19　2016/05　Research paper (scientific journal)

  58. Revealing the ultrafast light-to-matter energy conversion before heat diffusion in a layered Dirac semimetal

    Y. Ishida, H. Masuda, H. Sakai, S. Ishiwata, S. Shin

    PHYSICAL REVIEW B　Vol. 93　No. 10　2016/03　Research paper (scientific journal)

  59. Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions

    Hidetoshi Masuda, Hideaki Sakai, Masashi Tokunaga, Yuichi Yamasaki, Atsushi Miyake, Junichi Shiogai, Shintaro Nakamura, Satoshi Awaji, Atsushi Tsukazaki, Hironori Nakao, Youichi Murakami, Taka-Hisa Arima, Yoshinori Tokura, Shintaro Ishiwata

    Science Advances　Vol. 2　No. 1　2016/01/01　Research paper (scientific journal)

    Publisher: American Association for the Advancement of Science

  60. Rich structural phase diagram and thermoelectric properties of layered tellurides Mo1-xNbxTe2

    Koji Ikeura, Hideaki Sakai, Mohammad Saeed Bahramy, Shintaro Ishiwata

    APL MATERIALS　Vol. 3　No. 4　2015/04　Research paper (scientific journal)

  61. Insulator-to-Superconductor Transition upon Electron Doping in a BiS2-Based Superconductor Sr1-xLaxFBiS2

    Hideaki Sakai, Daichi Kotajima, Kosuke Saito, Hiroki Wadati, Yuki Wakisaka, Masaichiro Mizumaki, Kiyofumi Nitta, Yoshinori Tokura, Shintaro Ishiwata

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　Vol. 83　No. 1　2014/01　Research paper (scientific journal)

  62. Similarity of Scattering Rates in Metals Showing T-Linear Resistivity

    J. A. N. Bruin, H. Sakai, R. S. Perry, A. P. Mackenzie

    SCIENCE　Vol. 339　No. 6121　p. 804-807　2013/02　Research paper (scientific journal)

  63. Soft phonon mode coupled with antiferromagnetic order in incipient-ferroelectric Mott insulators Sr1-xBaxMnO3

    H. Sakai, J. Fujioka, T. Fukuda, M. S. Bahramy, D. Okuyama, R. Arita, T. Arima, A. Q. R. Baron, Y. Taguchi, Y. Tokura

    PHYSICAL REVIEW B　Vol. 86　No. 10　2012/09　Research paper (scientific journal)

  64. Thermoelectric Properties of Electron-Doped SrMnO3 Single Crystals with Perovskite Structure

    T. Suzuki, H. Sakai, Y. Taguchi, Y. Tokura

    JOURNAL OF ELECTRONIC MATERIALS　Vol. 41　No. 6　p. 1559-1563　2012/06　Research paper (scientific journal)

  65. Emergent phenomena in perovskite-type manganites

    Y. Taguchi, H. Sakai, D. Okuyama, S. Ishiwata, J. Fujioka, T. Fukuda, D. Hashizume, F. Kagawa, Y. Takahashi, R. Shimano, Y. Tokunaga, Y. Kaneko, A. Nakao, H. Nakao, Y. Murakami, K. Sugimoto, M. Takata, K. Yamauchi, S. Picozzi, A. Q. R. Baron, T. Arima, Y. Tokura

    PHYSICA B-CONDENSED MATTER　Vol. 407　No. 11　p. 1685-1688　2012/06　Research paper (scientific journal)

  66. Displacement-Type Ferroelectricity with Off-Center Magnetic Ions in Perovskite Sr1-xBaxMnO3

    H. Sakai, J. Fujioka, T. Fukuda, D. Okuyama, D. Hashizume, F. Kagawa, H. Nakao, Y. Murakami, T. Arima, A. Q. R. Baron, Y. Taguchi, Y. Tokura

    PHYSICAL REVIEW LETTERS　Vol. 107　No. 13　2011/09　Research paper (scientific journal)

  67. Magnetically driven ferroelectric atomic displacements in orthorhombic YMnO3

    D. Okuyama, S. Ishiwata, Y. Takahashi, K. Yamauchi, S. Picozzi, K. Sugimoto, H. Sakai, M. Takata, R. Shimano, Y. Taguchi, T. Arima, Y. Tokura

    PHYSICAL REVIEW B　Vol. 84　No. 5　2011/08　Research paper (scientific journal)

  68. Electron doping in the cubic perovskite SrMnO3: Isotropic metal versus chainlike ordering of Jahn-Teller polarons

    H. Sakai, S. Ishiwata, D. Okuyama, A. Nakao, H. Nakao, Y. Murakami, Y. Taguchi, Y. Tokura

    PHYSICAL REVIEW B　Vol. 82　No. 18　2010/11　Research paper (scientific journal)

  69. Impact of Bicritical Fluctuation on Magnetocaloric Phenomena in Perovskite Manganites

    Hideaki Sakai, Yasujiro Taguchi, Yoshinori Tokura

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　Vol. 78　No. 11　2009/11　Research paper (scientific journal)

  70. Composite domain walls in a multiferroic perovskite ferrite

    Yusuke Tokunaga, Nobuo Furukawa, Hideaki Sakai, Yasujiro Taguchi, Taka-hisa Arima, Yoshinori Tokura

    NATURE MATERIALS　Vol. 8　No. 7　p. 558-562　2009/07　Research paper (scientific journal)

  71. Dopant-Dependent Impact of Mn-Site Doping on Critical-State Manganites R0.6Sr0.4MnO3 (R = La, Nd, Sm, and Gd)

    Hideaki Sakai, Kiminori Ito, Takayuki Nishiyama, Xiuzhen Yu, Yoshio Matsui, Shigeki Miyasaka, Yoshinori Tokura

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　Vol. 77　No. 12　2008/12　Research paper (scientific journal)

  72. Current-induced persistent magnetization in a relaxorlike manganite

    H. Sakai, Y. Tokura

    APPLIED PHYSICS LETTERS　Vol. 92　No. 10　2008/03　Research paper (scientific journal)

  73. Fe-doping-induced evolution of charge-orbital ordering in a bicritical-state manganite

    H. Sakai, K. Ito, R. Kumai, Y. Tokura

    PHYSICAL REVIEW B　Vol. 76　No. 15　2007/10　Research paper (scientific journal)

  74. Reversible resistive switching in Bi4Ti3O12 thin films deposited by electron cyclotron resonance sputtering

    Yoshito Jin, Hideaki Sakai, Masaru Shimada

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　Vol. 45　No. 4B　p. 3243-3246　2006/04　Research paper (scientific journal)

  75. Effective-mass approach to interaction effects on electronic structure in carbon nanotubes

    H Sakai, H Suzuura, T Ando

    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES　Vol. 22　No. 1-3　p. 704-707　2004/04　Research paper (scientific journal)

  76. Effective-mass theory of electron correlations in band structure of semiconducting carbon nanotubes

    H Sakai, H Suzuura, T Ando

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　Vol. 72　No. 7　p. 1698-1705　2003/07　Research paper (scientific journal)

Presentations 20

  1. P T 対称な反強磁性体の非相反伝導現象

    酒井英明

    学術変革領域 (A) トピカルミーティング「精密計測 × アシンメトリ量子物質」　2025/02/09

  2. Current-induced Nematic Dirac Valleys in SrMnBi2 with Odd-parity Multipole

    H. Sakai

    UMMS24 (Max-Planck Institute CPfS seminar)　2024/09/04

  3. Control of lattice and magnetism of layered Dirac materials: Material design and uniaxial stress

    H. Sakai

    Elast-Q-Mat Colloquia　2024/05/02

  4. Exploration of Dirac/Weyl magnets based on the block-layer concept

    H. Sakai

    Max-Planck Institute CPfS seminar　2023/08/23

  5. 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

    酒井英明

    第2回「第一原理計算と機械学習の進歩と調和」研究会　2023/06/05

  6. 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

    酒井英明

    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　2023/04/22

  7. Block-layer Design of Magnetic and Polar Dirac/Weyl Semimetals

    H. Sakai

    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　2022/10/25

  8. Tunable spin-valley coupling and nonreciprocal transport in polar Dirac metal BaMn$X_2$ ($X$=Sb, Bi)

    H. Sakai, M. Kondo, M. Ochi, T. Kojima, R. Kurihara, M. Kimata, K. Sudo, D. Sekine, M. Matsubara, A. Miyake, M. Tokunaga, K. Kuroki, H. Murakawa, N. Hanasaki

    29th International Conference on Low Temperature Physics (LT29)　2022/08/20

  9. 磁性・極性を有するディラック・ワイル半金属の強磁場輸送現象

    酒井英明

    ISSPワークショップ--1000テスラ超強磁場科学の開拓　2022/06/11

  10. Block-layer design for high-mobility magnetic and polar Dirac materials

    H. Sakai

    SMS2022 (Summit of Materials Science 2022)　2022/03/02

  11. Tuning Thermoelectric Performance for a Layered Dirac Material with High-mobility Carriers

    H. Sakai

    MRM2021 (Materials Research Meeting)　2021/12/15

  12. Spin/valley-polarized quantum transport in magnetic and polar Dirac materials

    H. Sakai

    Asia-Pacific Conference on Condensed Matter Physics 2021 (AC2MP2021)　2021/12/01

  13. 量子物質研究と強 磁場 –最近の潮流と展望

    酒井英明

    強磁場コラボラトリ 2030 シンポジウム　2020/12/03

  14. Quantum transport coupled with magnetic order and lattice polarization in layered Dirac materials

    H. Sakai

    ARHMF2020 (Asian regional high-field conference)　2020/12/02

  15. Dirac fermions couples with magnetic order and lattice polarization

    H. Sakai

    APCTP-KPS-JPS joint meeting on “New trends in quantum and topological matters under extreme condition”　2020/11/06

  16. 磁性・極性と結合した量子伝導を示すトポロジカル層状物質の開拓

    酒井英明

    ISSP ワークショップ–量子物質研究の最近の進展と今後の展望　2020/09/24

  17. 第一回強磁場フォーラムフロンティア奨励賞講演「強磁場を用いたディラック電子系磁性体の強相関量子輸送現象の解明」

    酒井英明

    物性研短期研究会/強磁場科学研究会–強磁場コラボラトリーによる強磁場科学の新展開　2019/12/04

  18. Bulk Half-integer Quantum Hall Effect in Dirac Antiferromagnet BaMnSb2

    H. Sakai, H. Fujimura, R. Kurihara, A. Miyake, M. Tokunaga, T. Kida, M. Hagiwara, K. Tsuruda, H. Murakawa, N. Hanasaki

    The International Conference on Strongly Correlated Electron Systems 2019 (SCES2019)　2019/09/28

  19. Correlated quantum transport in layered Dirac antiferromagnets

    H. Sakai

    Cond Mat Seminars (School of Physics and Astronomy, University of St Andrews)　2019/05/19

  20. Bulk quantum Hall effect of massless Dirac fermions in BaMnSb2

    H. Sakai

    Workshop on Spin-Orbit Interaction and G-factor (SOIG2019)　2019/05/09

Industrial Property Rights 7

  1. 記録再生装置

    酒井英明, 神好人, 嶋田勝, 榎本陽一

    特許第4071786号

  2. ターゲット

    神好人, 酒井英明, 嶋田勝, 木内幹保

    特許第4441646号

  3. メモリ装置

    酒井英明, 神好人, 嶋田勝, 榎本陽一

    特許第4490323号

  4. 2安定抵抗値取得装置及びその製造方法

    神好人, 酒井英明, 嶋田勝

    特許第4559425号

  5. 白金薄膜の形成法

    赤澤方省, 酒井英明, 神好人, 嶋田勝

    特許第 4680752 号

  6. 2安定抵抗値取得装置及びその製造方法

    神好人, 酒井英明, 嶋田勝

    特許第5189613号

  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

    酒井英明, 田口康二郎, 十倉好紀

    特許第5846571号

Institutional Repository 2

Content Published in the University of Osaka Institutional Repository (OUKA)

  1. Nonreciprocal charge transport in polar Dirac metals with tunable spin-valley coupling

    Kondo M., Kimata M., Ochi M., Kaneko T., Kuroki K., Sudo K., Sakaguchi S., Murakawa H., Hanasaki N., Sakai H.

    Physical Review Research　Vol. 7　No. 1　2025/01/10

  2. 私の研究と液体ヘリウム

    酒井 英明

    大阪大学低温センターだより　Vol. 166　p. 7-8　2016/07