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A Study of the Structure and Thermodynamics of Liquid Metals Based on Some Reference Systems
Author(s) -
Akinlade O.
Publication year - 1990
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221610106
Subject(s) - pseudopotential , thermodynamics , alkali metal , component (thermodynamics) , ion , chemistry , materials science , atomic physics , physics , organic chemistry
The bulk modulus of liquid alkali metals is calculated using the one‐component plasma model and a perturbative correction to the structure factor. The use of a highly accurate non‐local pseudopotential yields a considerable improvement on previous results. A study of the charged hard‐sphere reference system as applied to metals with strong electron—ion pseudopotentials (Li, Mg, Cd, In, Tl, and Pb) indicates that it is a preferred system since it yields lower free energies. Results for the other thermodynamic quantities investigated are also reasonable.