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Phase equilibria in the Tl-TlBr-S system
Authors:M. B. Babanly  G. M. Guseinov  D. M. Babanly  F. M. Sadygov
Affiliation:(1) Rasul-zade State University, ul. Khalilova 23, Baku, 370148, Azerbaijan;(2) Nakhichevan State University, N. Narimanov ave. 103, Nakhichevan, 370006, Azerbaijan
Abstract:The polythermal sections TlBr-Tl2S, TlBr-Tl4S3, TlBr-TlS, and Tl6SBr4-Tl; the isothermal section at 300 K of the phase diagram; and the projection of the liquidus surface of the Tl-S-Br system have been investigated in the composition region Tl-TlBr-S by DTA, X-ray powder diffraction analysis, and microhardness measurements. The primary crystallization regions, including that of the only ternary compound (Tl6SBr4), have been determined, and the types and coordinates of the invariant and univariant equilibria in the phase diagram are determined.
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