All-Electrical Measurement of the Density of States in (Ga,Mn)As

Neumaier, D. and Turek, M. and Wurstbauer, U. and Vogl, A. and Utz, M. and Wegscheider, W. and Weiss, D. (2009) All-Electrical Measurement of the Density of States in (Ga,Mn)As. PHYSICAL REVIEW LETTERS, 103 (8): 087203. ISSN 0031-9007,

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Abstract

We report on electrical measurements of the effective density of states in the ferromagnetic semiconductor material (Ga,Mn)As. By analyzing the conductivity correction to an enhanced electron-electron interaction the electrical diffusion constant was extracted for (Ga,Mn)As samples of different dimensionality. Using the Einstein relation allows us to deduce the effective density of states of (Ga,Mn)As at the Fermi energy.

Item Type: Article
Uncontrolled Keywords: FERROMAGNETIC SEMICONDUCTORS; SPINTRONICS; SYSTEMS; ABSENCE; WIRES;
Subjects: 500 Science > 530 Physics
Divisions: 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
Depositing User: Dr. Gernot Deinzer
Date Deposited: 09 Sep 2020 09:11
Last Modified: 09 Sep 2020 09:11
URI: https://pred.uni-regensburg.de/id/eprint/28562

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