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Weak Localization in Ferromagnetic (GaMn)As Nanostructures

URN to cite this document:
urn:nbn:de:bvb:355-epub-26205
DOI to cite this document:
10.5283/epub.2620
Neumaier, Daniel ; Wagner, Konrad ; Geißler, Stefan ; Wurstbauer, Ursula ; Sadowski, J. ; Wegscheider, Werner ; Weiss, Dieter
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Date of publication of this fulltext: 05 Aug 2009 13:40



Abstract

We report on the observation of weak localization in arrays of (Ga,Mn)As nanowires at millikelvin temperatures. The corresponding phase coherence length Lphi is typically between 100 and 200 nm at 20 mK. Strong spin-orbit interaction in the material is manifested by a weak antilocalization correction around zero magnetic field.


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