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Ag2Se-AgTlSe-TlBiSe2 quasi-ternary system

  • Physicochemical Analysis of Inorganic Systems
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Abstract

Phase equilibria in the Ag-Tl-Bi-Se system in the region Ag2Se-AgTlSe-TlBiSe2 (I) have been investigated by DTA, X-ray powder diffraction analysis, microstructural analysis, and microhardness measurements. The Ag2Se-TlBiSe2, AgTlSe-AgBiSe2 (0–50 mol % AgBiSe2), and Ag3TlSe2-TlBiSe2 polythermal sections and the projection of the liquidus surface have been constructed. It has been found that system I is quasi-ternary; it consists of the primary crystallization fields of the phases based on the Ag2Se, TlBiSe2, AgTlSe, Ag3TlSe2, and Ag7TlSe4 compounds. The system is characterized by peritectic and eutectic four-phase equilibria. The coordinates of the invariant points are the following: 690 K, 50 mol % Ag2Se, 7 mol % TlBiSe2 (P 3); 658 K, 39 mol % Ag2Se, 4 mol TlBiSe2 (P 4); and 650 K, 32 mol % Ag2Se, 3.5 mol % TlBiSe2 (E).

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Authors and Affiliations

  1. Institute of Chemical Problems, H.Javid ave. 29, Baku, 370143, Azerbaijan

    N. B. Babanly, I. I. Aliev & G. A. Azizov

  2. Rasul-zade State University, ul. Khalilova 23, Baku, 370148, Azerbaijan

    M. B. Babanly

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  1. N. B. Babanly
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  2. I. I. Aliev
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  3. G. A. Azizov
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  4. M. B. Babanly
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Original Russian Text © N.B. Babanly, I.I. Aliev, G.A. Azizov, M.B. Babanly, 2006, published in Zhurnal Neorganicheskoi Khimii, 2006, Vol. 51, No. 4, pp. 698–700.

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Babanly, N.B., Aliev, I.I., Azizov, G.A. et al. Ag2Se-AgTlSe-TlBiSe2 quasi-ternary system. Russ. J. Inorg. Chem. 51, 642–644 (2006). https://doi.org/10.1134/S0036023606040231

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  • DOI: https://doi.org/10.1134/S0036023606040231

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