Physics – Condensed Matter – Materials Science
Scientific paper
2004-07-17
Physics
Condensed Matter
Materials Science
10pages,3figures
Scientific paper
. This study is devoted in the search of a model describing the best possible liquid and solid phases of the systems Cd-Te, Hg-Te, and Cd-Hg-Te. For the liquid phases, we used the model of Sub-regular Associated Solution (S.A.S). Thermodynamic quantities of dissociation, for the associated species are calculated by the numerical resolution of the phase equilibrium equations. The results of this calculation indicate a more marked associated character in Cd-Te than in Hg-Te with a pseudo-regular behavior of the binary liquid Cd-Te. The phases diagrams calculated from thermodynamic quantities, describe very well the experimental diagrams especially for the binary systems. This models used to calculate the parameters of interactions, enthalpy and entropy of dissociation and mixture, this thermodynamic quantities not measurable used to describe phases diagrams and other studies.
Ferah M. S.
Halimi A.
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