Hydrostatic Piezoelectric Coefficients of the 2-2 Composite Based on 011 -poled 0.71Pb(Mg1/3Nb2/3)O-3-0.29PbTiO(3) Single Crystal

Reference:

Topolov, V. Y., Krivoruchko, A. V., Bowen, C. R. and Panich, A. A., 2010. Hydrostatic Piezoelectric Coefficients of the 2-2 Composite Based on 011 -poled 0.71Pb(Mg1/3Nb2/3)O-3-0.29PbTiO(3) Single Crystal. Ferroelectrics, 400 (1), pp. 410-416.

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Official URL:

http://dx.doi.org/10.1080/00150193.2010.505888

Abstract

The effect of the polarisation orientation of [011]-poled polydomain PMN-0.29PT single crystal on the hydrostatic piezoelectric coefficients d(h)* and e(h)* of a parallel-connected 2-2 composite has been analysed. Orientation and volume-fraction dependences of the piezoelectric coefficients of the 2-2 PMN-0.29PT/polymer composite have been studied to determine extreme points of d(h)* and e(h)* in three cases of rotations of the main crystallographic axes of the PMN-0.29PT single crystal. The largest values of the hydrostatic piezoelectric coefficients vertical bar d(h)*vertical bar = 444 pC/N and e(h)* = 33.1 C/m(2) are of interest for hydroacoustic applications. Important contributions from the piezoelectric coefficients d(3j)* and e(3j)* into d(h)* and e(h)*, respectively, have been determined near the extreme points of the hydrostatic parameters.

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