Neumaier, Daniel and Turek, Marko and Wurstbauer, Ursula and Vogl, Anton and Utz, Martin and Wegscheider, Werner and Weiss, Dieter
All-Electrical Measurement of the Density of States in (Ga,Mn)As.
Physical Review Letters (PRL) 103, p. 87203.
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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 ...
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