Journal
PHYSICS OF THE SOLID STATE
Volume 50, Issue 11, Pages 2150-2156Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063783408110243
Keywords
77; 22; Ej; 77; 65; Bn; 77; 80; Fm; 77; 84; Dy
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Funding
- Southern Federal University [05/06-180]
- Russian Foundation for Basic Research [07-0212165-ofi]
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A complete set of dielectric, piezoelectric, and elastic parameters for the textured ceramic material 0.67PMN-0.33PT is calculated by the self-consistency method with due regard for the anisotropy and piezoelectric activity of the medium. It is shown that the best piezoelectric properties corresponding to those of a single crystal are observed for the ceramic material with a texture in which all crystallites are oriented parallel to the [001] direction of the parent perovskite cubic cell. The simplest models of the polarization of an untextured ceramic material with a random initial orientation of crystallites are considered. The results obtained are compared with experimental data.
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