# Education

# Work Experience

# Awards

# 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)