Charge Carrier Scattering Mechanisms in Thermoelectric PbTe:Sb

Authors

  • D. M. Freik Physico-Chemical Institute, V. Stefanyk Prycarpathian National University
  • S. I. Mudryi Ivan Franko National University of L’viv
  • I. V. Gorichok Physico-Chemical Institute, V. Stefanyk Prycarpathian National University
  • R. O. Dzumedzey Physico-Chemical Institute, V. Stefanyk Prycarpathian National University
  • O. S. Krynytskyi Ivano-Frankivsk National Technical University of Oil and Gas, Physico-Chemical Institute, V. Stefanyk Prycarpathian National University
  • T. S. Lyuba Physico-Chemical Institute, V. Stefanyk Prycarpathian National University

DOI:

https://doi.org/10.15407/ujpe59.07.0706

Keywords:

lead telluride, doping, scattering mechanisms

Abstract

On the basis of the results of radiographic researches and measurements of thermoelectric parameters of antimony-doped lead telluride, such as the thermoelectric coefficient and the conductivity, the penetration mechanisms of impurity atoms into the crystal lattice of the matrix are established. The influence of impurity on the charge carrier mobility is revealed. The introduction of impurities up to 0.3 at.% is shown to favor the electron mobility owing to the
filling of tellurium vacancies, which are active scattering centers, by antimony ions, the effect of which on the electron mobility is lower.

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Published

2018-10-24

How to Cite

Freik, D. M., Mudryi, S. I., Gorichok, I. V., Dzumedzey, R. O., Krynytskyi, O. S., & Lyuba, T. S. (2018). Charge Carrier Scattering Mechanisms in Thermoelectric PbTe:Sb. Ukrainian Journal of Physics, 59(7), 706. https://doi.org/10.15407/ujpe59.07.0706

Issue

Section

Solid matter