ChemInform Abstract: Investigation of the Ln₂Te₃—M₂Te—PbTe (Ln: Tb, Dy; M: Cu, Ag) Systems at 770 K.

Abstract

Equilibria E 4000Investigation of the Ln2Te3-M2Te-PbTe (Ln: Tb, Dy; M: Cu, Ag) Systems at 770 K. -The title systems are characterized by powder XRD. The compounds TbCuTe2 and DyCuTe2 (space group P3, Z = 4), TbAgTe2 and DyAgTe2 (space group P421m, Z = 2, single crystal XRD), Ln7Cu3Te12 (space group R3m), LnCu5Te4, and the solid solutions Tb(2+x)/3Cu2-xTe2 (0 ≤ x ≤ 1), and Dy(2+x)/3Cu2-xTe2 (0 ≤ x ≤ 1) (space group P3) exist in the systems. The formation of quaternary compounds is not observed. -(MARCHUK, O. V.; DASZKIEWICZ, M.; GULAY*, L. D.; OLEKSEYUK, I. D.; PIETRASZKO, A.; J.