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Electrical spin injection and detection in lateral all-semiconductor devices

URN to cite this document:
urn:nbn:de:bvb:355-epub-79763
DOI to cite this document:
10.5283/epub.7976
Ciorga, Mariusz ; Einwanger, Andreas ; Wurstbauer, Ursula ; Schuh, Dieter ; Wegscheider, Werner ; Weiss, Dieter
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Date of publication of this fulltext: 05 Aug 2009 13:58



Abstract

Both electrical injection and detection of spin-polarized electrons are demonstrated in a single wafer all-semiconductor GaAs-based lateral spintronic device, employing p+-(Ga,Mn)As/n+-GaAs ferromagnetic Esaki diodes as spin aligning contacts. Spin-dependent phenomena, such as spin precession and spin-valve effect, are observed in nonlocal signal and the measurements reveal the unusual origin of ...

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