Lattice theory of the elastic dielectric: application to the fluorite lattice

Srinivasan, R. (1968) Lattice theory of the elastic dielectric: application to the fluorite lattice Physical Review, 165 (3). pp. 1054-1062. ISSN 0031-899X

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Official URL: http://prola.aps.org/abstract/PR/v165/i3/p1054_1

Related URL: http://dx.doi.org/10.1103/PhysRev.165.1054

Abstract

The lattice theory of the elastic dielectric developed in the preceding paper is applied to the fluorite lattice. Expressions are derived for the third-order elastic constants of the fluorite lattice in Axe's shell model. The values of the third-order elastic constants and the pressure derivatives of the second-order elastic constants are calculated for calcium, strontium, and barium fluorides on the rigid-ion and shell models. In calcium fluoride, the calculated values of the pressure derivatives of the second-order elastic constants are in fair agreement with Wong and Schuele's experimental values. The static dielectric constant and its strain dependence are also calculated for the three fluorides in the shell model.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:57909
Deposited On:30 Aug 2011 09:00
Last Modified:30 Aug 2011 09:00

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