Thermodynamic behaviour of zinc and cadmium in liquid-Te-saturated CdTe---ZnTe solid solutions

Shamsuddin, M. ; Gupta, T. K. S. P. ; Nasar, A. ; Ramachandrarao, P. (1994) Thermodynamic behaviour of zinc and cadmium in liquid-Te-saturated CdTe---ZnTe solid solutions Thermochimica Acta, 246 (1). pp. 213-227. ISSN 0040-6031

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/004060...

Related URL: http://dx.doi.org/10.1016/0040-6031(94)85107-7

Abstract

The activity of zinc in liquid-tellurium-saturated CdTe---ZnTe solid solutions in the temperature range 743-848 K was measured by an electrochemical technique using LiCl--- KCl + 5 wt% ZnCl2 as the molten salt electrolyte. The activity of cadmium was estimated from hypothetical e.m.f. values and also by Gibbs—Duhem integration. The activity values of Zn and Cd calculated at different temperatures were used to obtain various partial and excess molar thermodynamic quantities, namely ΔG̅MZn, ΔG̅XSZn, ΔH̅MZn, ΔS̅MZn, ΔS̅XSZn, ΔG̅ MCd, ΔG̅XSCd, ΔH̅MCd, ΔS̅MCd and ΔS̅XSCd. The thermodynamic data obtained in the present investigation are consistent with the view that the CdTe---ZnTe system consists of a single phase throughout the entire range of composition.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Binary System; Cadmium; EMF; Solid Solution; Thermodynamics; Zinc
ID Code:34815
Deposited On:16 Apr 2011 13:08
Last Modified:16 Apr 2011 13:08

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