Abstract

Abstract The piezoelectric behavior of materials from the (1-x)Pb(Sc1/22Ta1/2)O3-(x)PbTiO3 solid solution system has been investigated. The [x = 0.45] composition in particular has exhibited an outstanding piezoelectric response [d33 = 650 (pC/N). kt = 0.5, kp = 0.61. k33 = 0.73] and a low mechanical quality factor [QM = 30]. These features make it a promising candidate for a variety of piezoelectric sensor applications. The difficulties involved in effectively poling a bar sample and a means to avoid these problems are also addressed.

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