Experimental Evidence of Cubic Rashba Effect in an Inversion-Symmetric Oxide

Nakamura, Hiroyuki; Koga, Takaaki; Kimura, Tsuyoshi

Physical Review Letters, 2012, 108(20), 206601

Permalink : https://hdl.handle.net/2115/81749

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ファイル	フォーマット	サイズ	閲覧回数	説明
PhysRevLett.108.206601	pdf	1.05 MB	1,127
Nakamura-Supplement	pdf	334 KB	212	Supplemental Material

アクセス権	open access
URI	https://hdl.handle.net/2115/81749
タイトル	Experimental Evidence of Cubic Rashba Effect in an Inversion-Symmetric Oxide
著者	Nakamura, Hiroyuki ; Koga, Takaaki ; Kimura, Tsuyoshi
著者名 Nakamura, Hiroyuki
e-Rad_Researcher 30374614 著者名 Koga, Takaaki
著者名 Kimura, Tsuyoshi
言語	英語
発行日	2012-05-18
出版者	American Physical Society
収録物名	Physical Review Letters
巻(号)	108(20)
ページ	206601
抄録	We present evidence of cubic Rashba spin splitting in a quasi-two-dimensional electron gas formed at a surface of (001) SrTiO3 single crystal from the weak localization or antilocalization (WAL) analysis of the low-temperature magnetoresistance. Our WAL data were well fitted by the model assuming mj=±3/2 for the spin-split pair, in which 2π rotation of the electron wave vector k∥ in the kx-ky plane accompanies 6π rotation of the spin quantization axis. This finding pertains to the p symmetry of the t2g electronic band derived from d electrons in SrTiO3, which provides insights into the surface electronic state of (001) SrTiO3.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	©2012 American Physical Society
PISSN	0031-9007
EISSN	1079-7114
NCID	AA00773679
関連情報	PMID 23003162
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevLett.108.206601