Spontaneous strain in BaTiO3
Glazer, A. M. and
Cox, K. G.,
International Tables for Crystallography
(2013).
Vol. D,
Section 1.6.7.2,
p.
[ doi:10.1107/97809553602060000905 ]
is (Table
1.6.7.1) Consider the low-temperature tetragonal phase to arise as a small distortion of this cubic phase, with a spontaneous strain given by the lattice parameters of the tetragonal phase: Therefore, the equations (
1.6.7.4 ...
Introduction
Glazer, A. M. and
Cox, K. G.,
International Tables for Crystallography
(2013).
Vol. D,
Section 1.6.7.1,
p.
[ doi:10.1107/97809553602060000905 ]
stiffness coefficients. Therefore equation (
1.6.7.2) can be rewritten in the form or, in contracted notation, where, for convenience, the superscript 0 has been dropped, the elastic strain being considered as essentially static or of low ...
The acousto-optic effect
Glazer, A. M. and
Cox, K. G.,
International Tables for Crystallography
(2013).
Vol. D,
Section 1.6.7.3,
p.
[ doi:10.1107/97809553602060000905 ]
where is a distance along the [110] direction (Fig.
1.6.7.1). Then one can write or in contracted notation From Table
1.6.7.1, it seen that the change in dielectric impermeability tensor is since all other components ...
The linear photoelastic effect
Glazer, A. M. and
Cox, K. G.,
International Tables for Crystallography
(2013).
Vol. D,
Section 1.6.7,
p.
[ doi:10.1107/97809553602060000905 ]
linear crystal optics
1.6.7.1. Introduction
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The linear photoelastic (or piezo-optic) effect (Narasimhamurty, 1981) is given by, and, like the electro-optic effect, it can be discussed ...
