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Phase equilibria in the Tl2Se-PbSe system and growth and properties of Tl4PbSe3 single crystals

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Abstract

The T-x phase diagram of the Tl2Se-PbSe system has been mapped out. The system contains a congruently melting compound (803 K) of composition Tl4PbSe3, which forms a continuous series of solid solutions with Tl2Se. Tl4PbSe3 single crystals have been grown by directional solidification, and their physicochemical and thermoelectric properties have been studied. Tl4PbSe3 crystals have high thermopower (α T ) and thermoelectric figure of merit (Z T ).

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Authors and Affiliations

  1. Research Institute of Solid State Chemistry and Physics, Uzhgorod National University, ul. Voloshina 54, Uzhgorod, 88000, Ukraine

    T. O. Malakhovska-Rosokha

  2. Department of Inorganic Chemistry, Uzhgorod National University, Pidhirna ul. 46, Uzhgorod, 88000, Ukraine

    M. Yu. Sabov, I. E. Barchii & E. Yu. Peresh

Authors
  1. T. O. Malakhovska-Rosokha
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  2. M. Yu. Sabov
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  3. I. E. Barchii
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  4. E. Yu. Peresh
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Correspondence to T. O. Malakhovska-Rosokha.

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Original Russian Text © T.O. Malakhovska-Rosokha, M.Yu. Sabov, I.E. Barchii, E.Yu. Peresh, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 7, pp. 784–786.

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Malakhovska-Rosokha, T.O., Sabov, M.Y., Barchii, I.E. et al. Phase equilibria in the Tl2Se-PbSe system and growth and properties of Tl4PbSe3 single crystals. Inorg Mater 47, 700–702 (2011). https://doi.org/10.1134/S0020168511070156

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  • DOI: https://doi.org/10.1134/S0020168511070156

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