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Anomalous behaviour of the magnetoresistance of Hg1−xCdxTe in the extreme quantum limit

  • Godelieve De Vos
  • Fritz Herlach
10. Transport
Part of the Lecture Notes in Physics book series (LNP, volume 152)

Abstract

The transverse and the longitudinal magnetoresistance of Hg1−xCdxTe with x = 0.135 and x = 0.2 have been measured in pulsed magnetic fields up to 35 T in the temperature range 1.4 K – 4.2 K. At the higher temperatures, the samples with x = 0.2 follow a power law Δϱ/ϱo ∼ Ba throughout the magnetic field range. At temperatures lower than 2.2 K, there is a break in the curves where the exponent α changes at fields around 10 T. In the samples with x = 0.135, the magnetoresistance approaches an exponential function Δϱ/ϱ ∼ 10aB at fields above 10 T.

Keywords

Magnetic Field Pulse Magnetic Field Charge Carrier Density Hall Voltage Magnetic Field Range 
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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  • Godelieve De Vos
    • 1
  • Fritz Herlach
    • 1
  1. 1.Katholieke Universiteit LeuvenLeuvenBelgium

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