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Journal of Electronic Materials

, Volume 47, Issue 7, pp 3392–3397 | Cite as

Seebeck Coefficient of Cation-Substituted Disulfides CuCr1−xFe x S2 and Cu1−xFe x CrS2

  • Evgeniy V. Korotaev
  • Mikhail M. Syrokvashin
  • Irina Yu. Filatova
  • Konstantin G. Pelmenev
  • Valentina V. Zvereva
  • Natalya N. Peregudova
Article
  • 61 Downloads

Abstract

The effect of cation substitution on the Seebeck coefficient of CuCr1−xFe x S2 (x = 0 to 0.30) and Cu1−xFe x CrS2 (x = 0 to 0.03) in the temperature range of 100 K to 450 K has been investigated. Increasing iron concentration led to a metal–insulator transition which suppressed the thermoelectric power. However, for low iron concentration (x < 0.03), the Seebeck coefficient of CuCr1−xFe x S2 and Cu1−xFe x CrS2 exceeded the values for the undoped copper-chromium disulfide matrix CuCrS2 at temperature below 300 K.

Keywords

Thermoelectric power Seebeck coefficient cation-substituted disulfides quantum-chemical calculations 

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Notes

Acknowledgements

The authors are grateful to Ph.D. Sokolov V.V. (NIIC SB RAS) for assistance in carrying out the synthesis and characterization of the samples studied. The reported study was funded by RFBR according to Research Project No. 16-032-00612_mol_a.

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Copyright information

© The Minerals, Metals & Materials Society 2018

Authors and Affiliations

  1. 1.Nikolaev Institute of Inorganic ChemistrySiberian Branch of Russian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State Technical UniversityNovosibirskRussia

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