POLYTHERMAL SECTION SnSe–CuSbSe2 OF PHASE DIAGRAM OF THE Cu2Se–SnSe–Sb2Se3 SYSTEM

E.N.Ismayilova, G.M.Shukurova, E.R.Aliyeva, L.F.Mashadieva

Phase equilibria in the Cu₂Se–SnSe–Sb₂Se₃ system were studied along the SnSe–CuSbSe₂ section by means of differential-thermal analysis and X-ray diffraction technique and its phase diagram was constructed. It was found that the SnSe–CuSbSe₂ section is quasibinary and refers to an eutectic type with limited solid solutions based on the starting compounds. The solubility based on SnSe and CuSbSe₂ is maximal at the eutectic temperature (700 K) and reaches 25 and 5 mol%, respectively

Keywords : Cu2Se–SnSe–Sb2Se3 system, SnSe–CuSbSe2 section, phase diagram

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