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A physicochemical study of the Sb2Se3–Nd2Se3 system

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Inorganic Materials Aims and scope

Abstract

We have studied phase relations in the Sb2Se3–Nd2Se3 system and mapped out its T–x phase diagram using differential thermal analysis, X-ray diffraction, microstructural analysis, microhardness tests, and density measurements. The system contains one compound, with the composition NdSbSe3, which melts incongruently at 865 K and crystallizes in orthorhombic symmetry with the following lattice parameters: а = 12.77(1) Å, b = 14.08(1) Å, and c = 5.82(5) Å (Z = 8, ρmeas = 6.20 g/cm3, ρx = 6.38 g/cm3). At room temperature, the Nd2Se3 solubility in Sb2Se3 is 5 mol % and the Sb2Se3 solubility in Nd2Se3 is 2.5 mol %. The Sb2Se3–Nd2Se3 system has a eutectic located at 15 mol % Nd2Se3, with a melting point at 755 K. The electrical conductivity and thermoelectric power of the (Sb2Se3)1–x (Nd2Se3) x solid solutions have been measured as functions of temperature.

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Authors and Affiliations

  1. Baku State University, ul. Khalilova 23, Baku, AZ1143, Azerbaijan

    F. M. Sadygov, T. M. Il’yasly & G. T. Ganbarova

  2. Moscow State University, Moscow, 119991, Russia

    V. P. Zlomanov

  3. Nagiyev Institute of Catalysis and Inorganic Chemistry, Academy of Sciences of Azerbaijan, pr. Javida 113, Baku, AZ1143, Azerbaijan

    I. I. Aliev

Authors
  1. F. M. Sadygov
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  2. T. M. Il’yasly
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  3. G. T. Ganbarova
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  4. V. P. Zlomanov
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  5. I. I. Aliev
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Correspondence to I. I. Aliev.

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Original Russian Text © F.M. Sadygov, T.M. Il’yasly, G.T. Ganbarova, V.P. Zlomanov, I.I. Aliev, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 7, pp. 681–685.

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Sadygov, F.M., Il’yasly, T.M., Ganbarova, G.T. et al. A physicochemical study of the Sb2Se3–Nd2Se3 system. Inorg Mater 53, 665–669 (2017). https://doi.org/10.1134/S0020168517070159

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  • DOI: https://doi.org/10.1134/S0020168517070159

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