Japanese

Hayami Group

Education

  • 2003.4-2006.3: Hyogo Prefectural Takarazukakita high school
  • 2006.4-2010.3: Materials Physics Course, Department of Electronics and Materials Physics, School of Engineering Science, Osaka University
  • 2010.4-2012.3: Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Master student
  • 2012.4-2014.9: Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Ph.D student

    • Work Experience

  • 2012.4-2014.9: JSPS Research Fellowships for Young Scientists DC1
  • 2014.10-2015.3: JSPS Research Fellowships for Young Scientists PD
  • 2014.10-2015.3: Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Post Doctor
  • 2015.4-2016.1: Theoretical Division, T-4 and CNLS, Los Alamos National Laboratory, PostDoctor　
  • 2016.2-2019.10: Department of Physics, Faculty of Science, Hokkaido University, Assistant Professor
  • 2019.11-2022.5: Department of Applied Physics, The University of Tokyo, Lecturer (PI)
  • 2020.11-2024.3: JST PRESTO　(concurrent)
  • 2022.6-present: Department of Physics, Faculty of Science, Hokkaido University, Associate Professor (PI)

    • Awards

  • 2010: Kusumoto Award(Department of Electronics and Materials Physics, School of Engineering Science, Osaka University)
  • 2012: Shoji Tanaka Award(Department of Applied Physics, Graduate School of Engineering, The University of Tokyo)
  • 2016: Poster Award (J-Physics：Physics of Conductive Multipole Systems FY 2016 Annual Meeting 5/26-28/2016)
  • 2018: Young Scientist Award of the Physical Society of Japan (Division 8)「Microscopic theoretical study of toroidal moment and cross-correlated physics」(10/19/2018)
  • 2022: 27th Outstanding Paper Award of the Physical Society of Japan "Microscopic Description of Electric and Magnetic Toroidal Multipoles in Hybrid Orbitals" (2/3/2022)
  • 2023: (In Japanese) 第18回凝縮系科学賞 「相関電子系に対する多極子表現論の構築と交差相関応答への適用」 (11/24/2023)

    • Awards about papers

  • Most Cited Articles in 2023 from Vol. 91 (2022)
    "Electric Ferro-Axial Moment as Nanometric Rotator and Source of Longitudinal Spin Current"
    S. Hayami, R. Oiwa, and H. Kusunose,
    J. Phys. Soc. Jpn. 91, 113702 (2022)

  • Most Cited Articles in 2023 from Vol. 91 (2022)
    "Multiple Skyrmion Crystal Phases by Itinerant Frustration in Centrosymmetric Tetragonal Magnets"
    S. Hayami,
    J. Phys. Soc. Jpn. 91, 023705 (2022)

  • Editors' Choice
    "Chiral Charge as Hidden Order Parameter in URu2Si2"
    S. Hayami and H. Kusunose,
    J. Phys. Soc. Jpn. 92, 113704 (2023)

  • Most Cited Articles in 2022 from Vol. 90 (2021)
    "First Observation of Superlattice Reflections in the Hidden Order at 105 K of Spin-Orbit Coupled Iridium Oxide Ca5Ir3O12"
    H. Hanate, T. Hasegawa, S. Hayami, S. Tsutsui, S. Kawano, and K. Matsuhira,
    J. Phys. Soc. Jpn. 90, 063702 (2021)

  • Most Cited Articles in 2022 from Vol. 90 (2021)
    "Field-Direction Sensitive Skyrmion Crystals in Cubic Chiral Systems: Implication to 4f-Electron Compound EuPtSi"
    S. Hayami and R. Yambe,
    J. Phys. Soc. Jpn. 90, 073705 (2021)

  • Editors' Choice
    "Electric Ferro-Axial Moment as Nanometric Rotator and Source of Longitudinal Spin Current"
    S. Hayami, R. Oiwa, and H. Kusunose,
    J. Phys. Soc. Jpn. 91, 113702 (2022)

  • Editors' Suggestion
    "Ferroaxial moment induced by vortex spin texture"
    S. Hayami,
    Phys. Rev. B 106, 144402 (2022)

  • Editors' Suggestion
    "Nonlinear nonreciprocal transport in antiferromagnets free from spin-orbit coupling"
    S. Hayami and M. Yatsushiro,
    Phys. Rev. B 106, 014420 (2022)

  • Editors' Choice
    "Field-Direction Sensitive Skyrmion Crystals in Cubic Chiral Systems: Implication to 4f-Electron Compound EuPtSi"
    S. Hayami and R. Yambe,
    J. Phys. Soc. Jpn. 90, 073705 (2021)

  • Editors' Choice
    "First Observation of Superlattice Reflections in the Hidden Order at 105 K of Spin-Orbit Coupled Iridium Oxide Ca5Ir3O12"
    H. Hanate, T. Hasegawa, S. Hayami, S. Tsutsui, S. Kawano, and K. Matsuhira,
    J. Phys. Soc. Jpn. 90, 063702 (2021)

  • Most Cited Articles in 2019 from Vol. 87 (2018)
    "Microscopic Description of Electric and Magnetic Toroidal Multipoles in Hybrid Orbitals"
    S. Hayami and H. Kusunose,
    J. Phys. Soc. Jpn. 87, 033709 (2018)

  • Editors' Highlights
    "Spin current generation in organic antiferromagnets"
    M. Naka, S. Hayami, H. Kusunose, Y. Yanagi, Y. Motome, and H. Seo,
    Nat. Communi. 10, 4305 (2019)

  • Editors' Suggestion
    "Multipole expansion for magnetic structures: A generation scheme for symmetry-adapted orthonormal basis set in crystallographic point group"
    M.-T. Suzuki, T. Nomoto, R. Arita, Y. Yanagi, S. Hayami, and H. Kusunose, Phys. Rev. B 99, 174407 (2019)

  • Cover Image
    "Electric Toroidal Quadrupoles in Spin-Orbit-Coupled Metal Cd2Re2O7"
    S. Hayami, Y. Yanagi, H. Kusunose, and Y. Motome, Phys. Rev. Lett. 122, 147602 (2019)

  • Editors' Suggestion
    "Classification of atomic-scale multipoles under crystallographic point groups and application to linear response tensors"
    S. Hayami, M. Yatsushiro, Y. Yanagi, and H. Kusunose, Phys. Rev. B 98, 165110 (2018)

  • Cover Image
    "Néel- and Bloch-Type Magnetic Vortices in Rashba Metals"
    S. Hayami and Y. Motome, Phys. Rev. Lett. 121, 137202 (2018)

  • Kaleidoscopes
    "Effective bilinear-biquadratic model for noncoplanar ordering in itinerant magnets"
    S. Hayami, R. Ozawa, and Y. Motome, Phys. Rev. B 95, 224424 (2017)

  • Editors' Suggestion
    "Toroidal order in metals without local inversion symmetry"
    S. Hayami, H. Kusunose, and Y. Motome, Phys. Rev. B 90, 024432 (2014)