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Shubnikov-de Haas oscillations of the conductivity of a two-dimensional gas in quantum wells based on germanium and silicon. Determination of the effective mass and g factor

By I. B. Berkutov, V. V. Andrievskii, Yu. F. Komnik, O. A. Mironov, M. Mironov and D. R. (David R.) Leadley

Abstract

The Shubnikov-de Haas oscillations of the conductivity of a two-dimensional gas of holes in quantum wells consisting of pure germanium and silicon with low germanium content (13%) are analyzed to determine the effective masses and the g factor in these regions. The magnetic-field dependences of the resistivity rho(xx) obtained at temperatures from 33 mK to 4 K in magnetic fields up to I I T are used for the analysis. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3075945

Topics: QC
Publisher: American Institute of Physics
Year: 2009
DOI identifier: 10.1063/1.3075945
OAI identifier: oai:wrap.warwick.ac.uk:27966
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