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Peculiar aspects of galvonamagnetic properties of InS single crystals

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Abstract

The electrical conductivity and the Hall effect in electronic InS single crystals have been studied over a wide range of temperatures, from 150 K to 800 K, and their peculiarities have been elucidated. At temperatures of 200 K the Hall coefficient passes through a maximum but does not reach a minimum. The peculiarities of the temperature dependence of the Hall coefficient are explained within the two-band model, which incorporates the conduction band and the impurity band. The parameters of the impurity band have been determined. The hopping mechanism of scattering has been found to predominate in InS single crystals in the temperature range 150–270 K, and at temperatures of 270 K to 400 K the mobility is limited, mainly by scattering on impurity ions. Above 400 K electrons are scattered on polar lattice vibrations.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 1, pp. 29–34, January, 1989.

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Ismailov, I.M., Kurbanov, É.M. Peculiar aspects of galvonamagnetic properties of InS single crystals. Soviet Physics Journal 32, 21–25 (1989). https://doi.org/10.1007/BF00896727

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Keywords

  • Electrical Conductivity
  • Conduction Band
  • Hall Effect
  • Lattice Vibration
  • Hall Coefficient