Dzyaloshinskii-Moriya interaction at epitaxial ferromagnet/semiconductor interface

Kimura, Shuto; Yamada, Michihiro; Okuno, Takumi et al.

Physical Review B, 2023, 108(9), 094441

Number of Access:103（2025-08-14 07:54 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/101976

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Title
Dzyaloshinskii-Moriya interaction at epitaxial ferromagnet/semiconductor interface
Creator
CreatorName
Kimura, Shuto
NRID
1000050778529 1000050778529
ORCID
0000-0002-9623-9926 0000-0002-9623-9926
researchmap permalink
YamadaMichihiro YamadaMichihiro
Scopus Author ID
57212378385 57212378385
CreatorName
Yamada, Michihiro
CreatorName
Okuno, Takumi
NRID
1000090409376 1000090409376
CreatorName
Sawano, Kentarou
NRID
1000090401281 1000090401281
ORCID
0000-0002-5473-6086 0000-0002-5473-6086
researchmap permalink
read0102192 read0102192
Scopus Author ID
9244846800 9244846800
CreatorName
Hamaya, Kohei
NRID
1000030579610 1000030579610
CreatorName
Ando, Kazuya
Description
Kimura S., Yamada M., Okuno T., et al. Dzyaloshinskii-Moriya interaction at epitaxial ferromagnet/semiconductor interface. Physical Review B 108, 094441 (2023); https://doi.org/10.1103/physrevb.108.094441.
Abstract
We report a sizable Dzyaloshinskii-Moriya interaction (DMI) originating at an epitaxial Fe3Si/Ge interface. Using spin-wave spectroscopy, we show that the magnitude of the interfacial DMI of the Heusler-ferromagnet/semiconductor hybrid structure is comparable to that of ferromagnet/Pt structures, despite the absence of heavy elements. We find that the observed DMI at the Fe3Si/Ge interface is consistent with the prediction of an antisymmetric exchange interaction induced by the interfacial Bychkov-Rashba spin-orbit interaction. These results demonstrate that ferromagnet/semiconductor hybrid structures are a promising class of systems for chiral spintronics.
Publisher
American Physical Society
Source Title
Physical Review B
Volume (Issue)
108(9)
Page
094441
Date of Issued
2023-09-28
Language
English
Handle URL
https://hdl.handle.net/11094/101976
PISSN
24699950
eISSN
24699969
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1103/physrevb.108.094441
Access Rights
open access
CopyRight
© 2023 American Physical Society.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article