Weak Localization in Ferromagnetic (Ga,Mn)As Nanostructures

DOI to cite this document:: 10.5283/epub.12496

Neumaier, Daniel ; Wagner, Konrad ; Geißler, Stefan ; Wurstbauer, Ursula ; Sadowski, Janusz ; Wegscheider, Werner ; Weiss, Dieter

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Date of publication of this fulltext: 25 Jan 2010 13:57

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Abstract

We report on the observation of weak localization in arrays of (Ga,Mn)As nanowires at millikelvin temperatures. The corresponding phase coherence length Lϕ 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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