Inhomogeneous Rashba spin–orbit coupling and intrinsic spin-Hall effect

  • The spin-Hall effect is the generation of a transverse spin-current induced by a longitudinal electric field. Among the various scattering mechanisms which can induce a finite spin-Hall effect we focus on the intrinsic contribution arising from a Rashba-type spin–orbit (RSO) coupling which for couplings linear in momentum usually vanishes. Here we show that non-homogeneity in the spin–orbit coupling arising from structure inversion asymmetry gives rise to a finite spin-Hall effect which we exemplify for a system with striped Rashba spin–orbit coupling.

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Author: Götz Seibold, Sergio CapraraORCiD, Marco GrilliORCiD, Roberto Raimondi
URL:http://www.sciencedirect.com/science/article/pii/S0304885316317772
DOI:https://doi.org/10.1016/j.jmmm.2016.12.066
Title of the source (English):Journal of Magnetism and Magnetic Materials
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2016
Tag:Inhomogeneity; Rashba spin–orbit coupling; Spin Hall effect
Volume/Year:440
First Page:63
Last Page:65
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Computational Physics
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