Density dependence of microwave induced magnetoresistance oscillations in a two-dimensional electron gas

DOI to cite this document:: 10.5283/epub.11969

Simovič, B. ; Ellenberger, C. ; Ensslin, Klaus ; Tranitz, Hans-Peter ; Wegscheider, Werner

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Date of publication of this fulltext: 11 Jan 2010 13:39

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Abstract

We have measured the magnetoresistance of a two-dimensional electron gas (2DEG) under continuous microwave irradiation as a function of electron density and mobility tuned with a metallic top-gate. In the entire range of density and mobility we have investigated, we observe microwave induced oscillations of large amplitude that are B-periodic. These B-periodic oscillations are reminiscent of the ...