Transport through (Ga,Mn)As nanoconstrictions

DOI to cite this document:: 10.5283/epub.12210

Schlapps, Markus ; Doeppe, Matthias ; Wagner, Konrad ; Reinwald, Matthias ; Wegscheider, Werner ; Weiss, Dieter

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Date of publication of this fulltext: 25 Jan 2010 13:31

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Abstract

We investigate magnetoresistance effects for transport across (Ga,Mn)As nanoislands, detached by nanoconstrictions from wider (Ga,Mn)As input leads. As in previous studies a huge magnetoresistance was found for nanoconstrictions in the tunnelling regime. For slightly wider junctions an enhanced anisotropic magnetoresistance effect was observed. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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