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Original Articles

Thermodynamics of Na-based liquid binary alloys

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Pages 237-246 | Received 03 Oct 2009, Accepted 08 Dec 2009, Published online: 01 Mar 2010
 

Abstract

The thermodynamic properties like internal energy (E), entropy (S), Helmhöltz free energy (F), heat of mixing (ΔE), entropy of mixing (ΔS) and volume of mixing (ΔΩ) of Na-based liquid binary alloys are computed using our own model potential. We have also attempted to investigate the effect of various forms of exchange and correlation functions, namely, Hartree (H), Taylor (T) and Sarkar et al. (SS) on the thermodynamic properties of the aforementioned alloys. It is found that the thermodynamic properties of Na-based liquid binary alloys are sensitive to the forms of the model potential and the local field correction function used in the computation. Thus, the proper choice of the model potential along with the local field correction function play an important role in investigating the thermodynamic properties of Na-based liquid binary alloys. This confirms the applicability of our model potential in explaining the thermodynamics of Na-based liquid binary alloys.

Acknowledgements

P.B. Thakor and Y.A. Sonvane acknowledge the financial support from the University Grants Commission, New Delhi, under a major research project (F. No. 33-26/2007) (SR).

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