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Evaluation of the Grüneisen Parameter for NaCl‐Structure Alkali Halide Crystals
Author(s) -
Shanker J.,
Singh K.
Publication year - 1982
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.2221090145
Subject(s) - halide , alkali metal , ionic bonding , volume (thermodynamics) , materials science , inorganic chemistry , thermodynamics , ionic crystal , chemistry , ion , physics , organic chemistry
The Grüneisen parameters for sixteen alkali halide crystals with NaCl structure are calculated with the help of the model recently developed by Migault and Romain. This model takes into account the volume dependence of Poisson's ratio. The derivatives of pressure with respect to volume are estimated by adopting different potential functions suitable for ionic crystals. The results obtained in the present study are discussed and compared with experimental data and other recent investigations.