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Thermodynamic properties of ternary phases in the Cu-Tl-Se system

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Abstract

The Cu-Tl-Se system has been studied at temperatures from 300 to 420 K using emf measurements with Cu4RbCl3I2 as a Cu+ ion conducting solid electrolyte. The emf data have been used to map out the subsolidus phase diagram of the Cu-Tl-Se system in the composition region Tl2Se-CuTlSe-CuSe-Se. We have calculated the partial molar thermodynamic functions of the copper in the alloys and the standard thermodynamic functions of formation and standard entropies of the ternary compounds CuTlSe2, CuTlSe, and Cu2TlSe2. The results confirm that the thermodynamic properties of copper-containing ternary systems can be studied using the approach in question even when they contain an element (thallium in this study) located to the left of copper in the electrochemical series.

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Authors and Affiliations

  1. Institute of Chemical Problems, Academy of Sciences of Azerbaijan, pr. Javida 29, Baku, AZ1143, Azerbaijan

    N. B. Babanly

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  1. N. B. Babanly
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Correspondence to N. B. Babanly.

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Original Russian Text © N.B. Babanly, 2011, published in Neorganicheskie Materialy, 2011, Vol. 47, No. 12, pp. 1433–1437.

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Babanly, N.B. Thermodynamic properties of ternary phases in the Cu-Tl-Se system. Inorg Mater 47, 1306–1310 (2011). https://doi.org/10.1134/S0020168511120016

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