Abstract
Thermodynamic properties of the Sb2Te3 compound were studied by measuring electromotive force (EMF) with a liquid electrolyte in the temperature range of 300-450 K. The partial molar functions of antimony in alloys and the corresponding standard integral thermodynamic functions of the Sb2Te3 compound were calculated for the first time based on the EMF measurements under standard conditions. Comparative analysis of obtained results with literature data was carried out
Highlights
Antimony and bismuth tellurides with a tetradymite-like layered structure and phases based on them have been in the center of attention of researchers since the last century due to their unique properties
The thermodynamic functions of compounds are their fundamental characteristics. These properties in conjunction with phase diagrams provide a basis for crystal growth, doping, and optimization of preparation conditions for the new similar materials [12, 13]
We have presented results of the thermodynamic study of Sb2Te3 compound using electromotive force (EMF) method
Summary
Antimony and bismuth tellurides with a tetradymite-like layered structure and phases based on them have been in the center of attention of researchers since the last century due to their unique properties. Despite the increased interest to antimony tellurides, sufficiently reliable data of phase equilibria in the Sb–Te system has not been obtained yet, and their thermodynamic properties have not been studied in detail [14,15,16]. Analysis of the literature shows that available thermodynamics data refers mainly to the Sb2Te3 compound.
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