S. Sakamoto

activity

20172022

most citedGiant effective damping of octupole oscillation in an antiferromagnetic Weyl semimetal

40 citations · 114 across the 10 of their papers we have counts for

collaborators

20 papers

cond-mat.str-el2022★ 6 cited

Magnetic Properties and Electronic Configurations of Mn Ions in the Diluted Magnetic Semiconductor Ba $_{1 - x}$ K $_{x}$ (Zn $_{1 - y}$ Mn $_{y}$ ) $_{2}$ As $_{2}$ Studied by X-ray Magnetic Circular Dichroism and Resonant Inelastic X-ray Scattering

H. Suzuki, G. Q. Zhao, J. Okamoto +18

The magnetic properties and the electronic excitations of the new diluted magnetic semiconductor Ba $_{1 - x}$ K $_{x}$ (Zn $_{1 - y}$ Mn $_{y}$ ) $_{2}$ As $_{2}$ have been studied by x-ray magn…

cond-mat.mtrl-sci2021★ 15 cited

Chirality-induced effective magnetic field in a phthalocyanine molecule

Shinji Miwa, Kouta Kondou, Shoya Sakamoto +4

Chirality in organic molecules has attracted considerable attention in the fields of chemistry, biology, and spintronics. This paper reports on perpendicular magnetization hysteres…

cond-mat.mtrl-sci2021★ 40 cited

Giant effective damping of octupole oscillation in an antiferromagnetic Weyl semimetal

Shinji Miwa, Satoshi Iihama, Takuya Nomoto +8

A magnetic Weyl semimetal is a recent focus of extensive research as it may exhibit large and robust transport phenomena associated with topologically protected Weyl points in mome…

cond-mat.mtrl-sci2021

Connection between coherent phonons and electron-phonon coupling in Sb (111)

Shoya Sakamoto, Nicolas Gauthier, Patrick S. Kirchmann +2

We report time- and angle-resolved photoemission spectroscopy measurements on the Sb(111) surface. We observe band- and momentum-dependent binding-energy oscillations in the bulk a…

cond-mat.str-el2020

Anisotropic spin distribution and perpendicular magnetic anisotropy in the layered ferromagnetic semiconductor (Ba,K)(Zn,Mn) $_{2}$ As $_{2}$

Shoya Sakamoto, Guoqiang Zhao, Goro Shibata +14

Perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn) $_{2}$ As $_{2}$ is studied by angle-dependent x-ray magnetic circular dichroism measurements. T…

cond-mat.mtrl-sci2020

Evolution of the Fe-3 $d$ impurity band state as the origin of high Curie temperature in p-type ferromagnetic semiconductor (Ga,Fe)Sb

Takahito Takeda, Shoya Sakamoto, Kohsei Araki +8

(Ga $_{1 - x}$ ,Fe $_{x}$ )Sb is one of the promising ferromagnetic semiconductors for spintronic device applications because its Curie temperature ( $T_{C}$ ) is above 300 K when the Fe…

Magnetic Properties and Electronic Configurations of Mn Ions in the Diluted Magnetic Semiconductor Ba1−x​Kx​(Zn1−y​Mny​)2​As2​ Studied by X-ray Magnetic Circular Dichroism and Resonant Inelastic X-ray Scattering