Abstract
Modeling of dielectric, piezoelectric, and elastic properties of 0.67PMN-0.33PT ceramic composition with different degree of texturing has been carried out within the effective media approach. The full sets of dielectric, piezoelectric, and elastic coefficients have been calculated for various distributions of crystallites orientations using the data for single domain crystals and crystals with the engineered domain structure. It is shown that maximal values of piezoelectric properties exhibit the texture, in which the polar axes of all crystallites with pseudotetragonal symmetry are oriented in the direction corresponding to the [001] direction of the prototype perovskite cubic unit cell.
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