The Cu₂Se–PbSe–As₂Se₃ system

Chem. Met. Alloys 7 (2014) 20-25

https://doi.org/10.30970/cma7.0263

T.A. Ostapyuk, O.F. Zmiy, I.A. Ivashchenko, I.D. Olekseyuk

Phase equilibria of the quasi-ternary system Cu₂Se–PbSe–As₂Se₃ were investigated by X-ray diffraction and differential thermal (DTA) analysis. The nonvariant processes in the system are located in the As₂Se₃-rich part of the triangle (over 70 mol.% As₂Se₃) in the temperature range 607-653 K.

Projection of the liquidus surface of the Cu₂Se–SnSe₂–As₂Se₃ system onto the concentration triangle.

Keywords

Phase diagram / Liquidus projection / Differential thermal analysis (DTA) / X-ray diffraction (XRD)