Weiss, Dieter and Stahl, E. and Weimann, G. and Ploog, K. and Klitzing, Klaus von
Density of States in Landau Level Tails of GaAs-AlxGa1-xAs Heterostructures.
Surface Science 170, pp. 285-291.
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Other URL: http://www.sciencedirect.com/science/journal/00396028
From an analysis of the thermally activated resistivity as a function of the magnetic field in the quantum Hall regime we deduced the position of the Fermi energy in the mobility gap as a function of the filling factor and therefore the density of states. The measured density of states is best described by a Gaussian like profile superimposed on a constant ...
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