Abstract
Phase equilibria in the YbTe–SnTe–PbTe system have been studied using differential thermal analysis, X-ray diffraction, scanning electron microscopy, and emf measurements on YbTe concentration cells. We have mapped out a number of vertical sections, the 400-K isothermal section of the YbTe–SnTe–PbTe phase diagram, and projections of its liquidus and solidus surfaces. The results demonstrate that the system is characterized by the formation of a continuous series of high-temperature solid solutions with a cubic structure (NaCl type), which undergo decomposition below ~1050 K. At room temperature, the YbTe solubility in the Sn1–x Pb x Te solid solution system is ~33–35 mol %, whereas the extent of the YbTe-based solid solution series does not exceed 3 mol %.
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Original Russian Text © Z.S. Aliev, G.I. Ibadova, S.Z. Imamaliyeva, Yu.A. Yusibov, M.B. Babanly, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 8, pp. 810–816.
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Aliev, Z.S., Ibadova, G.I., Imamaliyeva, S.Z. et al. Phase equilibria and decomposition of solid solutions in the YbTe–SnTe–PbTe system. Inorg Mater 53, 797–803 (2017). https://doi.org/10.1134/S0020168517080015
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DOI: https://doi.org/10.1134/S0020168517080015