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A new approach to lattice properties of alkali halide crystals
Author(s) -
Sharma M. N.,
Kant A.
Publication year - 1977
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.2220840204
Subject(s) - halide , alkali metal , lattice (music) , infrared , function (biology) , materials science , chemistry , thermodynamics , inorganic chemistry , physics , optics , organic chemistry , acoustics , evolutionary biology , biology
A new form of overlap repulsion as a function of interorbital distance as suggested earlier is employed to calculate some more properties of alkali halide crystals, such as infrared absorption frequency ( v 0 ), Grüneisen (γ), and Anderson‐Grüneisen (δ) parameter. The results are compared with the observed values and those calculated by earlier workers. In general the results show a marked improvement, establishing the validity of the proposed model.