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Sakai Hideaki

酒井　英明

Graduate School of Science　Department of Physics, Associate Professor

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

Education

  • 2005/10 - 2008/09, 東京大学大学院, 工学系研究科, 物理工学専攻（博士課程）
  • 2001/04 - 2003/03, 東京大学大学院, 理学系研究科, 物理学専攻（修士課程）
  • 1997/04 - 2001/03, The University of Tokyo, Faculty of Science, Department of Physics

Research History

  • 2015/04 - Present, Osaka University, Graduate School of Science, Department of Physics
  • 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
  • 2011/10 - 2015/03, The University of Tokyo, The Graduate School of Engineering, Department of Applied Physics
  • 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
  • 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）
  • 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
  • 2007/04 - 2008/09, 日本学術振興会, 特別研究員DC2
  • 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

Research Areas

  • Nanotechnology/Materials, Applied materials
  • Natural sciences, Magnetism, superconductivity, and strongly correlated systems

Papers

  • 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, Proceedings of the National Academy of Sciences, Vol. 121, No. 12, 2024/03/14
  • 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, American Physical Society (APS), Vol. 108, No. 20, 2023/11/09
  • Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi<sub>2</sub>, 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, American Physical Society (APS), Vol. 108, No. 11, p. 115142-1-115142-7, 2023/09/21
  • 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, American Physical Society (APS), Vol. 107, No. 16, 2023/04/24
  • 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, American Physical Society (APS), Vol. 107, No. 12, 2023/03
  • 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, Physical Society of Japan, Vol. 91, No. 10, p. 101001-101001, 2022/10/15
  • Anomalous Nernst effect in the nonmagnetic nodal-line semimetal PbTaSe2, Kohei Yokoi,Hiroshi Murakawa,Hideaki Sakai,Noriaki Hanasaki, Physical Review B, American Physical Society (APS), Vol. 106, No. 11, 2022/09/12
  • 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, American Physical Society (APS), Vol. 105, No. 24, 2022/06/15
  • 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, American Physical Society (APS), Vol. 6, No. 5, 2022/05/31
  • 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, American Physical Society (APS), Vol. 12, No. 1, 2022/02/18
  • 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, AIP Publishing, Vol. 11, No. 12, p. 125216-125216, 2021/12/01
  • 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
  • Dirac Loops in a Strongly Correlated Metal: Origin of Large Magnetoresistance?, Hideaki Sakai, JPSJ News and Comments, Physical Society of Japan, Vol. 18, 2021/10/22
  • 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, American Physical Society (APS), Vol. 104, No. 11, 2021/09/07
  • 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, SPRINGERNATURE, Vol. 2, No. 1, 2021/05/14
  • 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, Wiley, Vol. 31, No. 29, 2021/05/06
  • Optimizations of the Sintering Temperature to Reduce the Nd<sub>3</sub>RuO<sub>7 </sub>Phase and Investigations of their Effect on the Magnetic Properties in Nd<sub>2</sub>Ru<sub>2</sub>O<sub>7</sub>, Utami Widyaiswari,Hideaki Sakai,Noriaki Hanasaki,Budhy Kurniawan,Isao Watanabe, Materials Science Forum, Trans Tech Publications, Ltd., Vol. 1028, p. 3-8, 2021/04
  • 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, American Physical Society (APS), Vol. 102, No. 21, 2020/12/10
  • 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, Springer Science and Business Media LLC, Vol. 11, No. 1, 2020/12
  • Magnetic Properties of Pyrochlore Ruthenate Nd<sub>2</sub>Ru<sub>2</sub>O<sub>7</sub> Studied by μSR, Utami Widyaiswari,Hideaki Sakai,Kanji Inoue,Noriaki Hanasaki,Dita Puspita Sari,Budhy Kurniawan,Isao Watanabe, Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 860, p. 288-293, 2020/08
  • 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, American Physical Society (APS), Vol. 2, No. 3, 2020/07/08
  • 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, American Chemical Society (ACS), Vol. 20, No. 7, p. 4932-4938, 2020/06/09
  • 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, American Physical Society (APS), Vol. 101, No. 17, 2020/05/06
  • 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
  • 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, American Physical Society (APS), Vol. 101, No. 8, 2020/02/13
  • 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, American Physical Society (APS), Vol. 101, No. 4, p. 045135-045135, 2020/01/29
  • 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
  • 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
  • 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, AMER PHYSICAL SOC, Vol. 100, No. 19, p. 195130-195130, 2019/11
  • 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., ROYAL SOC CHEMISTRY, Vol. 55, No. 61, p. 8931-8934, 2019/07
  • Defect-induced electronic structures on SnSe surfaces, K. Asakawa,F. Oguro,Y. Yoshida,H. Sakai,N. Hanasaki,Y. Hasegawa, Jpn. J. Appl. Phys., IOP PUBLISHING LTD, Vol. 58, 2019/06
  • 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
  • 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, American Physical Society (APS), Vol. 98, No. 13, 2018/10
  • 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
  • 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
  • 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, AMER PHYSICAL SOC, Vol. 98, No. 11, 2018/09
  • 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, IOP Publishing, Vol. 11, No. 9, p. 092601-092601, 2018/08
  • 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
  • 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, Elsevier B.V., Vol. 487, p. 92-95, 2018/04/01
  • 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, AMER PHYSICAL SOC, Vol. 2, No. 2, 2018/02
  • 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, American Physical Society, Vol. 97, No. 2, 2018/01/11
  • 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
  • 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, The Japan Society of High Pressure Science and Technology, Vol. 28, No. 3, p. 206-216, 2018
  • Magnetocaloric Materials with Multiple Instabilities, Yasujiro Taguchi,Hideaki Sakai,Debraj Choudhury, ADVANCED MATERIALS, WILEY-V C H VERLAG GMBH, Vol. 29, No. 25, 2017/07
  • 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, AMER PHYSICAL SOC, Vol. 95, No. 12, 2017/03
  • 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, AMER PHYSICAL SOC, Vol. 95, No. 10, 2017/03
  • 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
  • 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, WILEY-V C H VERLAG GMBH, Vol. 55, No. 49, p. 15292-15296, 2016/12
  • 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, AMER ASSOC ADVANCEMENT SCIENCE, Vol. 2, No. 11, 2016/11
  • 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
  • Relation between the structural phase transition and superconductivity in CuxIrTe2-ySey, M. Kamitani,H. Sakai,Y. Tokura,S. Ishiwata, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 94, No. 13, 2016/10
  • 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
  • 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, AMER PHYSICAL SOC, Vol. 93, No. 19, 2016/05
  • 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, AMER PHYSICAL SOC, Vol. 93, No. 10, 2016/03
  • 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, American Association for the Advancement of Science, Vol. 2, No. 1, 2016/01/01
  • Rich structural phase diagram and thermoelectric properties of layered tellurides Mo1-xNbxTe2, Koji Ikeura,Hideaki Sakai,Mohammad Saeed Bahramy,Shintaro Ishiwata, APL MATERIALS, AMER INST PHYSICS, Vol. 3, No. 4, 2015/04
  • 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, PHYSICAL SOC JAPAN, Vol. 83, No. 1, 2014/01
  • Similarity of Scattering Rates in Metals Showing T-Linear Resistivity, J. A. N. Bruin,H. Sakai,R. S. Perry,A. P. Mackenzie, SCIENCE, AMER ASSOC ADVANCEMENT SCIENCE, Vol. 339, No. 6121, p. 804-807, 2013/02
  • 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, AMER PHYSICAL SOC, Vol. 86, No. 10, 2012/09
  • Thermoelectric Properties of Electron-Doped SrMnO3 Single Crystals with Perovskite Structure, T. Suzuki,H. Sakai,Y. Taguchi,Y. Tokura, JOURNAL OF ELECTRONIC MATERIALS, SPRINGER, Vol. 41, No. 6, p. 1559-1563, 2012/06
  • 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, ELSEVIER SCIENCE BV, Vol. 407, No. 11, p. 1685-1688, 2012/06
  • 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, AMER PHYSICAL SOC, Vol. 107, No. 13, 2011/09
  • 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, AMER PHYSICAL SOC, Vol. 84, No. 5, 2011/08
  • 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, AMER PHYSICAL SOC, Vol. 82, No. 18, 2010/11
  • Impact of Bicritical Fluctuation on Magnetocaloric Phenomena in Perovskite Manganites, Hideaki Sakai,Yasujiro Taguchi,Yoshinori Tokura, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, PHYSICAL SOC JAPAN, Vol. 78, No. 11, 2009/11
  • Composite domain walls in a multiferroic perovskite ferrite, Yusuke Tokunaga,Nobuo Furukawa,Hideaki Sakai,Yasujiro Taguchi,Taka-hisa Arima,Yoshinori Tokura, NATURE MATERIALS, NATURE PUBLISHING GROUP, Vol. 8, No. 7, p. 558-562, 2009/07
  • 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, PHYSICAL SOC JAPAN, Vol. 77, No. 12, 2008/12
  • Current-induced persistent magnetization in a relaxorlike manganite, H. Sakai,Y. Tokura, APPLIED PHYSICS LETTERS, AMER INST PHYSICS, Vol. 92, No. 10, 2008/03
  • Fe-doping-induced evolution of charge-orbital ordering in a bicritical-state manganite, H. Sakai,K. Ito,R. Kumai,Y. Tokura, PHYSICAL REVIEW B, AMER PHYSICAL SOC, Vol. 76, No. 15, 2007/10
  • 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, JAPAN SOC APPLIED PHYSICS, Vol. 45, No. 4B, p. 3243-3246, 2006/04
  • Effective-mass approach to interaction effects on electronic structure in carbon nanotubes, H Sakai,H Suzuura,T Ando, PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, ELSEVIER SCIENCE BV, Vol. 22, No. 1-3, p. 704-707, 2004/04
  • 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, PHYSICAL SOC JAPAN, Vol. 72, No. 7, p. 1698-1705, 2003/07

Misc.

  • XAFSで観測した新奇ペロブスカイト型銅酸化物La<sub>1-x</sub>Pr<sub>x</sub>CuO<sub>3</sub>の電子構造, 横山優一,横山優一,平田靖透,平田靖透,山崎裕一,山崎裕一,山本航平,山本航平,田久保耕,伊奈稔哲,水牧仁一朗,伊藤雅春,高橋英史,酒井英明,石渡晋太郎,石渡晋太郎,和達大樹,和達大樹, KEK Progress Report (Web), No. 2017-10, 2017
  • 反強磁性多層ディラック電子系EuMnBi<sub>2</sub>における軟X線磁気共鳴散乱の観測, 増田英俊,酒井英明,山崎裕一,山崎裕一,中尾裕則,村上洋一,有馬孝尚,有馬孝尚,十倉好紀,十倉好紀,石渡晋太郎,石渡晋太郎, KEK Progress Report (Web), No. 2016-8, 2017/01
  • ディラック電子を内包する新奇磁性体におけるバルク量子ホール効果の観測, 増田英俊,酒井英明,石渡晋太郎, 東京大学低温センター年報, No. 7, p. 13‐16-16, 2016/11

Industrial Property Rights

  • 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
  • ターゲット, 神好人,酒井英明,嶋田勝,木内幹保, 特許第4441646号
  • メモリ装置, 酒井英明,神好人,嶋田勝,榎本陽一, 特許第4490323号
  • 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
  • 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
  • 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
  • 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

Awards

  • Reviewer of the Month, Hideaki Sakai, Communications Materials (Nature Portfolio), 2023/02
  • 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
  • 大阪大学賞, 酒井 英明, 大阪大学, 2018/11

Presentations

  • 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
  • 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
  • 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
  • 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
  • Block-layer design for high-mobility magnetic and polar Dirac materials, H. Sakai, SMS2022 (Summit of Materials Science 2022), 2022/03/02
  • Tuning Thermoelectric Performance for a Layered Dirac Material with High-mobility Carriers, H. Sakai, MRM2021 (Materials Research Meeting), 2021/12/15
  • 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
  • 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
  • Quantum transport coupled with magnetic order and lattice polarization in layered Dirac materials, H. Sakai, ARHMF2020 (Asian regional high-field conference), 2020/12/02
  • 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
  • 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
  • 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
  • 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
  • Correlated quantum transport in layered Dirac antiferromagnets, H. Sakai, Cond Mat Seminars (School of Physics and Astronomy, University of St Andrews), 2019/05/19
  • Bulk quantum Hall effect of massless Dirac fermions in BaMnSb2, H. Sakai, Workshop on Spin-Orbit Interaction and G-factor (SOIG2019), 2019/05/09