Transport through (Ga,Mn)As nanoconstrictions

Schlapps, Markus ; Döppe, Matthias ; Wagner, Konrad ; Reinwald, M. ; Wegscheider, Werner ; Weiss, Dieter

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Item type:	Article
Journal or Publication Title:	Phys. Stat. Sol. A
Volume:	203
Page Range:	p. 3597
Date:	2006
Institutions:	Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	2625

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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.

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