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Phase relations in the TlInS2-TlYbS2 system and electrical properties of Tl2InYbS4 crystals

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Abstract

We have studied phase relations in the TlInS2-TlYbS2 system and showed that it contains a congruently melting compound of composition Tl2InYbS4 (1: 1 ratio of the constituent sulfides). According to X-ray diffraction results, the compound Tl2InYbS4 crystallizes in tetragonal symmetry. Temperature-dependent electrical conductivity and Hall data for Tl2InYbS4 single crystals demonstrate that this compound is a p-type semiconductor with a band gap of 1.60 eV. The temperature variation of the carrier Hall mobility in Tl2InYbS4 corresponds to carrier scattering by acoustic phonons.

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Authors and Affiliations

  1. Institute of Physics, Academy of Sciences of Azerbaijan, pr. Javida 33, Baku, AZ1143, Azerbaijan

    F. M. Seyidov, E. M. Kerimova & N. Z. Gasanov

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  1. F. M. Seyidov
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  2. E. M. Kerimova
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  3. N. Z. Gasanov
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Correspondence to E. M. Kerimova.

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Original Russian Text © F.M. Seyidov, E.M. Kerimova, N.Z. Gasanov, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 12, pp. 1429–1432.

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Seyidov, F.M., Kerimova, E.M. & Gasanov, N.Z. Phase relations in the TlInS2-TlYbS2 system and electrical properties of Tl2InYbS4 crystals. Inorg Mater 47, 1302–1305 (2011). https://doi.org/10.1134/S0020168511110215

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  • DOI: https://doi.org/10.1134/S0020168511110215

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