Experimental setup for acoustical studies of the semiconducting heterostructures in the quantum Hall regime

Authors

  • A. M. Diakonov A. F. Ioffe Physico-Technical Institute
  • I. L. Drichko A. F. Ioffe Physico-Technical Institute
  • I. Yu. Smirnov A. F. Ioffe Physico-Technical Institute
  • A. V. Suslov A. F. Ioffe Physico-Technical Institute

Abstract

Based on acousto-electronic interaction an experimental apparatus for the carrier kinetic studies in semiconducting heterostructures at low temperatures and strong magnetic fields has been designed and constructed. Surface acoustic wave (30 200 MHz) attenuation and velocity change have been measured and the high-frequency conductivity of the GaAs/AlGaAs heterostructures in the quantum Hall regime was determined from these measurements.

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Published

2000-12-06

Issue

Vol. 37 No. 4 (2000)

Section

ULTRASOUND MEASUREMENTS AND INSTRUMENTS

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Copyright terms are indicated in the Republic of Lithuania Law on Copyright and Related Rights; Articles 4-37.
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