Ballistic magnetotransport in a semiconductor microjunction with broken symmetry

DOI to cite this document:: 10.5283/epub.11008

Song, A. M. ; Lorke, A. ; Kotthaus, J. P. ; Wegscheider, Werner ; Bichler, Max

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Date of publication of this fulltext: 30 Nov 2009 13:11

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Abstract

The linear and nonlinear magnetotransport response of a ballistic semiconductor cross junction with an embedded, symmetry-breaking scatterer is investigated. As a result of the broken symmetry, the so-called ‘bend resistance’ is no longer symmetric in the magnetic field. The experimental curve also exhibits a pronounced peak structure. In the nonlinear transport regime, both the magnitude and the ...