2024

Acoustoelectric non-local spin wave power detector for studying magnon-phonon coupling
H. Matsumoto, Y. Todaka, T. Kawada, M. Kawaguchi, M. Hayashi
arXiv:2403.12745.

Magnon-phonon coupling of synthetic antiferromagnets in a surface acoustic wave cavity resonator
H. Matsumoto, I. Yasuda, M. Asano, T. Kawada, M. Kawaguchi, D. Hatanaka, M. Hayashi
Nano Lett. 24, 5683 (2024).


2023

Spin and orbital Hall currents detected via current-induced magneto-optical Kerr effect in V and Pt
Y. Marui, M. Kawaguchi, S. Sumi, H. Awano, K. Nakamura, M. Hayashi
Phys. Rev. B 108, 144436 (2023).

Ultrafast stroboscopic time-resolved magneto-optical imaging of domain wall motion in Pt/GdFeCo wires induced by a current pulse
K. Ogawa, N. Yoshikawa, M. Ishibashi, K. Yakushiji, A. Tsukamoto, M. Hayashi, R. Shimano
Phys. Rev. Research 5, 033151 (2023).

On-chip all-electrical determination of the magnetoelastic coupling constant of magnetic heterostructures
T Kawada, I Yasuda, M Kawaguchi, M Hayashi
Appl. Phys. Lett. 123, 092403 (2023).

Cavity magnomechanical coupling with coupled magnon modes in a synthetic antiferromagnet
M. Asano, H. Matsumoto, M. Hayashi, D. Hatanaka
Phys. Rev. B 108, 064415 (2023).

Anisotropy of the spin Hall effect in a Dirac ferromagnet
G. Qu, M. Hayashi, M. Ogata, J. Fujimoto
Phys. Rev. B 108, 064404 (2023).

Helicity-resolved Raman spectroscopy of mono- and a few-layers-thick PtSe2
I. Yasuda, T. Kawada, H. Matsumoto, M. Kawaguchi, M. Hayashi
Appl. Phys. Exp. 16, 053005 (2023).

Large intrinsic spin Hall conductivity in orthorhombic tungsten
T. Ishikawa, R. Akashi, K. Kubo, Y. Toga, K. Inukai, I. Rittaporn, M. Hayashi, S. Tsuneyuki
Phys. Rev. Mater. 7, 026202 (2023).
[Press release]

Reversal of current-induced domain wall motion in TbFeCo ferrimagnetic thin films across the magnetization compensation point M. Ishibashi, K. Yakushiji, M. Kawaguchi, A. Tsukamoto, S. Nakatsuji, M. Hayashi
Jpn. J. Appl. Phys. 62 013001 (2023).


2022

Spin Hall effect driven by the spin magnetic moment current in Dirac materials
Z. Chi, G. Qu, Y.-C. Lau, M. Kawaguchi, J. Fujimoto, K. Takanashi, M. Ogata, M. Hayashi
Phys. Rev. B 105, 214419 (2022).

Large surface acoustic wave nonreciprocity in synthetic antiferromagnets
H. Matsumoto, T. Kawada, M. Ishibashi, M. Kawaguchi, M. Hayashi
Appl. Phys. Express 15, 063003 (2022).

Ferrimagnetic compensation and its thickness dependence in TbFeCo alloy thin films
M. Ishibashi, K. Yakushiji, M. Kawaguchi, A. Tsukamoto, S. Nakatsuji, M. Hayashi
Appl. Phys. Lett. 120, 022405 (2022).


2021

Charge–spin conversion in Pt_{1-x}Bi_{x} alloys for spin–orbit torque switching
Z. Chi, Y.-C. Lau, M. Kawaguchi, M. Hayashi
APL Mater. 9, 061111 (2021).

Interface-enhanced helicity dependent photocurrent in metal/semimetal bilayers
H. Hirose, M. Kawaguchi, Y.-C. Lau, Z. Chi, F. Freimuth, K. Takanashi, M. Hayashi
Phys. Rev. B 103, 174437 (2021).

Switchable generation of azimuthally-and radially-polarized terahertz beams from a spintronic terahertz emitter
H. Niwa, N. Yoshikawa, M. Kawaguchi, M. Hayashi, R. Shimano
Optics Express 29, 13331 (2021).
[Editors' pick]

Determination of the Dzyaloshinskii-Moriya interaction using pattern recognition and machine learning
M. Kawaguchi, K. Tanabe, K. Yamada, T. Sawa, S. Hasegawa, M Hayashi, Y. Nakatani
npj Computational Materials 7, 1 (2021).
[Press release]

First Principles Investigation of Anomalous Hall and Spin Hall Effects in Ferromagnetic CoPt
G. Qu, K. Nakamura, M. Hayashi
J. Phys. Soc. Jpn. 90, 024707 (2021).

Acoustic spin Hall effect in strong spin-orbit metals
T. Kawada, M. Kawaguchi, T. Funato, H. Kohno, M. Hayashi
Science Advances 7, eabd9697 (2021).
[Press release]


2020

Terahertz emission from thin films induced by excitation with circularly polarized light
Y. Hirai, N. Yoshikawa, H. Hirose, M. Kawaguchi, M. Hayashi, R. Shimano
Phys. Rev. Appl. 14, 064015 (2020).
[Editors' suggestion]

Magnetization direction dependent spin Hall effect in ferromagnets
G. Qu, K. Nakamura, M. Hayashi
Phys. Rev. B 102, 144440 (2020).

Concomitance of superconducting spin–orbit scattering length and normal state spin diffusion length in W on (Bi,Sb)2Te3
Y.-C. Lau, R. Akiyama, H. T. Hirose, R. Nakanishi, T. Terashima, S. Uji, S. Hasegawa, M. Hayashi
J. Phys. Mater. 3, 034001 (2020).

The spin Hall effect of Bi-Sb alloys driven by thermally excited Dirac-like electrons
Z. Chi, Y.-C. Lau, X. Xu, T. Ohkubo, K. Hono, M. Hayashi
Science Advances, 6, eaay2324 (2020).

Highly efficient spin-orbit torque in Pt/Co/Ir multilayers with antiferromagnetic interlayer exchange coupling
Y. Ishikuro, M. Kawaguchi, T. Taniguchi, M. Hayashi
Phys. Rev. B 101, 014404 (2020).


2019

Giant perpendicular magnetic anisotropy in Ir/Co/Pt multilayers
Y.-C. Lau, Z. Chi, T. Taniguchi, M. Kawaguchi, G. Shibata, N. Kawamura, M. Suzuki, S. Fukami, A. Fujimori, H. Ohno, M. Hayashi
Phys. Rev. Mater. 3, 104419 (2019).

Current induced modulation of interfacial Dzyaloshinskii-Moriya interaction
N. Kato, M. Kawaguchi, Y.-C. Lau, T. Kikuchi, Y. Nakatani, M. Hayashi
Phys. Rev. Lett. 122, 257205 (2019).

Unidirectional planar Hall voltages induced by surface acoustic waves in ferromagnetic thin films
T. Kawada, M. Kawaguchi, M. Hayashi
Phys. Rev. B 99, 184435 (2019).

Dzyaloshinskii-Moriya interaction and spin-orbit torque at the Ir/Co interface
Y. Ishikuro, M. Kawaguchi, N. Kato, Y.-C. Lau, M. Hayashi
Phys. Rev. B 99, 134421 (2019).

Spin Hall effect from 3d-4p hybridized orbitals
Y.-C. Lau, H. Lee, G. Qu, K. Nakamura, M. Hayashi
Phys. Rev. B 99, 064410 (2019).

Crystalline-structure-dependent magnetoresistance in ferromagnetic metal/conducting amorphous oxide heterostructures
S Isogami, J Uzuhashi, T Ohkubo, M Hayashi
Phys. Rev. Mater. 3, 024408 (2019).


2018

Circular photogalvanic effect in Cu/Bi bilayers
H. Hirose, N. Ito, M. Kawaguchi, Y. C. Lau, M. Hayashi
Appl. Phys. Lett. 113, 222404 (2018).
[Featured article]
See also Scilight for more information.

Interference Induced Enhancement of Magneto-Optical Effect in Pt/TbCo Hetero-Structured Films
S Iemoto, S Sumi, P Van Thach, H Awano, M Hayashi
Crystals 8, 377 (2018).

Optical Detection of Spin-Orbit Torque and Current-Induced Heating
Y. Marui, M. Kawaguchi, M. Hayashi
Appl. Phys. Express 11, 5 093001 (2018).

Thermographic measurements of spin-current-induced temperature modulation in metallic bilayers
R. Iguchi, A. Yagmur, Y.C. Lau, S. Daimon, E. Saitoh, M. Hayashi, K. Uchida
Phys. Rev. B 98, 014402 (2018).

Domain-Wall Resistance in Cofeb-Based Heterostructures with Interface Dzyaloshinskii-Moriya Interaction
Y. Ishikuro, M. Kawaguchi, Y. C. Lau, Y. Nakatani, M. Hayashi
Appl. Phys. Express 11, 5 073001 (2018).

Anomalous Spin Hall Magnetoresistance in Pt/Co Bilayers
M. Kawaguchi, D. Towa, Y. C. Lau, S. Takahashi, M. Hayashi
Appl. Phys. Lett. 112, 5 202405 (2018).