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Lattice Theory of Fourth‐Order Elastic Constants of Primitive Lattices. Application
Author(s) -
Kumar K.,
Goyal S. C.
Publication year - 1987
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.2221390107
Subject(s) - lattice constant , lattice (music) , theoretical physics , caesium , halide , physics , order (exchange) , statistical physics , thermodynamics , mathematics , chemistry , quantum mechanics , inorganic chemistry , finance , nuclear physics , diffraction , acoustics , economics
Abstract The lattice theory of fourth‐order elastic constants for primitive lattices recently derived by Goyal and Kumar is applied to obtain the relations for the FOE constants of CsCl structure type solids within the framework of the Lundqvist many‐body potential. The derived relations of FOEC are used to compute the numerical values of the FOE constants and the second‐order pressure derivatives of the SOE constants of cesium halide solids.