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

Schlapps, Markus and Lermer, Teresa and Geissler, Stefan and Neumaier, Daniel and Sadowski, Janusz and Schuh, Dieter and 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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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.80.125330


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:
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
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited On:08 Oct 2009 09:00
Last Modified:13 Mar 2014 12:03
Item ID:9720
Owner Only: item control page


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