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Transport through (Ga,Mn)As nanoislands: Coulomb blockade and temperature dependence of the conductance

Schlapps, Markus, Lermer, Teresa, Geissler, Stefan, Neumaier, Daniel, Sadowski, Janusz, Schuh, Dieter, Wegscheider, Werner and Weiss, Dieter (2009) Transport through (Ga,Mn)As nanoislands: Coulomb blockade and temperature dependence of the conductance. Physical Review B (PRB) 80 (12), p. 125330.

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Date of publication of this fulltext: 08 Oct 2009 09:00

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.80.125330


Abstract

We report on magnetotransport measurements of nanoconstricted (Ga,Mn)As devices showing very large resistance changes that can be controlled by both an electric and a magnetic field. Based on the bias voltage and temperature-dependent measurements down to the millikelvin range we compare the models currently used to describe transport through (Ga,Mn)As nanoconstrictions. We provide an explanation ...

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Item type:Article
Date:25 September 2009
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
10.1103/PhysRevB.80.125330DOI
Classification:
NotationType
75.50.Pp; 73.23.Hk; 73.63.Rt; 85.75.MmPACS
Keywords:Coulomb blockade, electric admittance measurement, gallium arsenide, galvanomagnetic effects, magnetisation, manganese compounds, semiconductor devices, spin valves, wide band gap semiconductors
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:9720
Owner only: item control page

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