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Phase diagram of the Sb–Te–I system and thermodynamic properties of SbTeI

  • Ziya S. Aliev , Mahammad B. Babanly , Andrei V. Shevelkov , Dunya M. Babanly and Jean-Claude Tedenac
Published/Copyright: May 18, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 103 Issue 3

Abstract

The Sb–Te–I system was investigated by using differential thermal analysis, X-ray diffraction analysis and electromotive force measurements with an antimony electrode. A number of polythermal sections and the projection of the liquidus surface were constructed. The fields of the primary crystallization, as well as the types and coordinates of nonand monovariant equilibriums were determined. It is shown that the quasi-binary sections SbI3–Sb2Te3, SbI3–Te, and SbI3–TeI4 triangulate the Sb–Te–I system, leading to four independent subsystems. From the electromotive force measurements, the partial molar functions of antimony as well as the standard integral thermodynamic functions of SbTeI were calculated. The latter were found to have the following values: ΔG0f,298 = −55.77 ± 1.7 kJ · mol−1; ΔH0f,298 = −55.72 ± 1.39 kJ · mol−1; S0298 = 153.5 ± 2.8 J · K−1 · mol−1.

Keywords: Phase diagram; Equilibrium; Electromotive forces; Thermodynamic functions
∗ Correspondence address, Prof. Andrei V. Shevelkov, Chemistry Department, Lomonosov State University, Leninskie Gory 1–3, Moscow 119991, Russia, Fax: +7939939 4788. E-mail:
∗∗ Correspondence address, Prof. Mahammad B. Babanly, Baku State University, General and Inorganic Chemistry Department, Z. Khalilov Str. 23, Baku, AZ 1148, Azerbaijan, Fax: +99412 4381528. E-mail:

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Received: 2010-11-3
Accepted: 2011-10-21
Published Online: 2013-05-18
Published in Print: 2012-03-01

© 2012, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.110646
Keywords for this article
Phase diagram; Equilibrium; Electromotive forces; Thermodynamic functions

Articles in the same Issue

  1. Contents
  2. Contents
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  6. Melting temperature of metallic nanoparticles embedded in a rigid matrix
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  8. Phase diagram of the Sb–Te–I system and thermodynamic properties of SbTeI
  9. Pressureless co-sintering behaviour of a steel/cemented carbide component: model bimaterial
  10. Rafting structure formation during solution treatment in a nickel-based superalloy
  11. A model to calculate the viscosity of silicate melts
  12. Prediction of glass transition temperatures of aromatic heterocyclic polymers
  13. Relationship between the γ and some parameters of Fe-based bulk metallic glasses
  14. Growth of rare-earth zirconates-based pyrochlore buffer layers on YSZ for YBCO-coated conductors via chemical solution deposition
  15. Preparation and characterization of low temperature sintering nanocrystalline TiO2 prepared via the sol-gel method using titanium(IV) butoxide applicable to flexible dye sensitized solar cells
  16. Effects of preparation methods on color properties of ZnO-based nano-crystalline green pigments
  17. Effect of reaction media on the formation of CdS nanorods
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