Acoustical studies of the high-frequency hopping conductivity in the quantum Hall regime
Yu. M. GalperinUniversity of OsloI. L. DrichkoA.F.Ioffe Physicotechnical Institute of RAS, PolytekchnicheskayaA. M. DiakonovA.F.Ioffe Physicotechnical Institute of RAS, PolytekchnicheskayaI. Yu. SmirnovA.F.Ioffe Physicotechnical Institute of RAS, PolytekchnicheskayaA. I. ToropovA.F.Ioffe Physicotechnical Institute of RAS, Polytekchnicheskaya
Ultrasoundjournal2000
ABI
Abstract
In this article by means of acoustic methods it has been shown that in the Si d-doped GaAs/AlGaAs heterostructures the 2D hopping conductivity takes place. Real and imaginary parts of this conductivity and their ratio as well as temperature and magnetic field dependencies have been obtained.
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