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Calculation of the free energies for the solid phases of ammonium halides
Date
2007-01-01
Author
Salihoglu, S.
Yurtseven, Hasan Hamit
Karacali, H.
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Using mean field theory, we calculate the free energies of the solid phases of ammonium halides. The temperature and pressure dependences of the free energies are obtained using experimental phase diagrams of the ammonium halides. From these dependences, we calculate numerically the specific heat as a function of temperature for the solid I-liquid, solid II-liquid and solid I-solid II transitions in the ammonium halides, in particular for NH4Cl. The critical behaviour of some other thermodynamic quantities is also predicted from the mean field theory.
Subject Keywords
Condensed Matter Physics
URI
https://hdl.handle.net/11511/43302
Journal
PHILOSOPHICAL MAGAZINE
DOI
https://doi.org/10.1080/14786430601185101
Collections
Department of Physics, Article