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


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Nakamura-Supplement.pdf	Supplemental Material	334.79 kB	PDF	View/Open
PhysRevLett.108.206601.pdf		1.07 MB	PDF	View/Open

Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/81749

Title:	Experimental Evidence of Cubic Rashba Effect in an Inversion-Symmetric Oxide
Authors:	Nakamura, Hiroyuki Browse this author
	Koga, Takaaki Browse this author →KAKEN DB
	Kimura, Tsuyoshi Browse this author
Issue Date:	18-May-2012
Publisher:	American Physical Society
Journal Title:	Physical Review Letters
Volume:	108
Issue:	20
Start Page:	206601
Publisher DOI:	10.1103/PhysRevLett.108.206601
PMID:	23003162
Abstract:	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.
Rights:	©2012 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/81749
Appears in Collections:	情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 古賀貴亮

OAI-PMH ( junii2 , jpcoar_1.0 )

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