Heat of mixing of equiatomic alkali-alkali alloys

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24 Citations (Scopus)

Abstract

The Gibbs-Bogoliubov variational technique is used to study the internal energy and entropy of liquid alkali metals as well as heat of mixing and excess entropy of mixing for equiatomic NaK, KRb and NaCs alloys. A Heine-Abarenkov-type model potential has been considered with Hartree, Hubbard-Sham and Vashishta-Singwi exchange and correlation functions. It is found that alloying properties are sensitive to the form of the potential used, the dielectric screening function and the volume of mixing.

Original languageEnglish
Article number010
Pages (from-to)1411-1417
Number of pages7
JournalJournal of Physics F: Metal Physics
Volume10
Issue number7
DOIs
Publication statusPublished - 1980

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Metals and Alloys

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