Local spin valve effect in lateral (Ga,Mn)As/GaAs spin Esaki diode devices

URN to cite this document:: urn:nbn:de:bvb:355-epub-214523
DOI to cite this document:: 10.5283/epub.21452

Ciorga, Mariusz ; Wolf, Christian ; Einwanger, Andreas ; Utz, Martin ; Schuh, Dieter ; Weiss, Dieter

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Date of publication of this fulltext: 11 Jul 2011 10:47

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Abstract

We report here on a local spin valve effect observed unambiguously in lateral all-semiconductor all-electrical spin injection devices, employing p+ −(Ga,Mn)As/n+ −GaAs Esaki diode structures as spin aligning contacts. We discuss the observed local spin-valve signal as a result of the interplay between spin-transport-related contribution and the tunneling anisotropic magnetoresistance of the ...