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An alternative method on the evaluation of entropy of mixing of liquid Li–Pb and Na–Pb alloys

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Abstract

A formalism is presented for the computation of entropy of mixing of the structurally inhomogeneous liquid alloys having intermediate range ordering in real space, which is prominently manifested by first sharp diffraction peak i.e. prepeak in their structural data at and around the stoichiometric compositions. These are usually classified as liquid alloys having chemical short range ordering. In this paper, the present method of computation of entropies is applied to Li–Pb and Na–Pb alloys based on a partial charge transferred hard-sphere model. The entropies of mixing are computed and compared with the experimental data. The theoretical outcomes are in a very good agreement with experimental results.

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Authors and Affiliations

  1. Department of Physics, Bir Bikram Memorial College, Agartala, 799003, India

    A. Satpathy

  2. Department of Physics, Ramthakur College, Agartala, 799005, India

    S. Sengupta

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  1. A. Satpathy
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  2. S. Sengupta
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Correspondence to A. Satpathy.

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Satpathy, A., Sengupta, S. An alternative method on the evaluation of entropy of mixing of liquid Li–Pb and Na–Pb alloys. Indian J Phys 89, 323–329 (2015). https://doi.org/10.1007/s12648-014-0603-6

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  • DOI: https://doi.org/10.1007/s12648-014-0603-6

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