Experimental Separation of Rashba and Dresselhaus Spin Splittings in Semiconductor Quantum Wells

DOI to cite this document:: 10.5283/epub.11811

Ganichev, Sergey ; Belkov, Vassilij ; Golub, Leonid E.

; Ivchenko, Eugenious ; Schneider, Petra ; Gilberger, S. ; Eroms, Jonathan

; Boeck, J. De ; Borghs, G. ; Wegscheider, Werner ; Weiss, Dieter

; Prettl, Wilhelm

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Date of publication of this fulltext: 11 Jan 2010 13:14

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Abstract

The relative strengths of Rashba and Dresselhaus terms describing the spin-orbit coupling in semiconductor quantum well (QW) structures are extracted from photocurrent measurements on n-type InAs QWs containing a two-dimensional electron gas (2DEG). This novel technique makes use of the angular distribution of the spin-galvanic effect at certain directions of spin orientation in the plane of a ...