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Interrelations between Interionic Separation, Lattice Energy, and Plasma Energy for Alkali Halide Crystals
Author(s) -
Reddy R. R.,
Kumar M. Ravi,
Rao T. V. R.
Publication year - 1993
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170280718
Subject(s) - polarizability , halide , alkali metal , lattice energy , lattice (music) , plasma , chemistry , atomic physics , materials science , molecular physics , crystal structure , inorganic chemistry , molecule , crystallography , physics , quantum mechanics , organic chemistry , acoustics
A simple empirical relationship has been established for the estimation of lattice energies for alkli halide crystals directly from the values of interionic distances. Another new relation has also been proposed between the lattice energy and plasma energy. The calculated plasma energy values are utilized in the estimation of electronic polarizability in alkali halide crystals, in order to test the applicability of the proposed relations. Good agreement is observed between the computed and literature values of electronic polarizability. The merits of the present approach is discussed.