Research Information System
Chemical Problems, vol.17, no.1, pp.41-49, 2019 (Scopus)
The work presents results of the study into phase equilibriums in the Ag2Se-PbSe-AgSbSe2 through the methods of differential thermal and X-ray diffraction analyses. Based on the experimental data, polythermic sections of AgSbSe2-(PbSe)0,5(Ag2Se)0,5 and Ag2Se-(PbSe)0,5(AgSbSe2)0,5, isothermal section at 300 K of the phase diagram, as well as projection of the liquidus surface were constructed. It showed that the system cited above is a quasi-ternary plane of the Ag-Pb-Sb-Se quaternary system characterized by the presence of non-invariant transition equilibrium. The fields of primary crystallization of phases, types and coordinates of non- and monovariant equilibria were determined. A wide range (~80 mol%) of solid solutions based on AgSbSe2 along the PbSe-AgSbSe2 section was revealed.