Deutsch
Neumaier, Daniel and Turek, Marko and Wurstbauer, Ursula and Vogl, Anton and Utz, Martin and Wegscheider, Werner and Weiss, Dieter (2009) All-Electrical Measurement of the Density of States in (Ga,Mn)As. Physical Review Letters (PRL) 103, p. 87203.
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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 | ||||
|---|---|---|---|---|---|
| Institutions: | Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider | ||||
| Projects: | SFB 689: Spinphänomene in reduzierten Dimensionen | ||||
| Identification Number: |
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| Classification: |
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| Subjects: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Yes, this version has been refereed | ||||
| Created at the University of Regensburg: | Yes | ||||
| Owner: | Claudia Rahm | ||||
| Deposited On: | 17 Sep 2009 11:13 | ||||
| Last Modified: | 20 Jul 2011 23:43 | ||||
| Item ID: | 9423 |
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