Weiss, Dieter and Zhang, C. and Gerhardts, R. and Klitzing, K. and Weimann, G.
Density of States in a Two-Dimensional Electron Gas in the Presence of a One-Dimensional Superlattice Potential.
Physical Review B 39, pp. 13020-13023.
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Other URL: http://prola.aps.org/abstract/PRB/v39/i17/p13020_1, http://prb.aps.org/
Magnetocapacitance measurements are performed on a holographically microstructured AlxGa1-xAs-GaAs heterostructure, in order to obtain direct information about the density of states of a periodically modulated two-dimensional electron gas. Comparison with microscopic calculations shows that the observed pronounced modulation of the magnetocapacitance oscillations has the same origin as ...
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