Enhanced spin-orbit coupling in core/shell nanowires

URN to cite this document:: urn:nbn:de:bvb:355-epub-341870
DOI to cite this document:: 10.5283/epub.34187

Bougeard, Dominique ; Furthmeier, Stephan ; Dirnberger, Florian ; Gmitra, Martin

; Bayer, Andreas ; Forsch, Moritz ; Hubmann, Joachim ; Schüller, Christian

; Reiger, Elisabeth ; Fabian, Jaroslav

; Korn, Tobias

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Date of publication of this fulltext: 23 Aug 2016 09:21

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Abstract

The spin-orbit coupling (SOC) in semiconductors is strongly influenced by structural asymmetries, as prominently observed in bulk crystal structures that lack inversion symmetry. Here we study an additional effect on the SOC: the asymmetry induced by the large interface area between a nanowire core and its surrounding shell. Our experiments on purely wurtzite GaAs/AlGaAs core/shell nanowires ...