High strain and low mechanical quality factor piezoelectric Pb[(Sc1/2Nb1/2)0.575Ti0.425]O3 ceramics

被引：11

作者：

Alberta, EF ^{[1
]}

Bhalla, AS ^{[1
]}

机构：

[1] Penn State Univ, Mat Res Lab, University Pk, PA 16802 USA

来源：

MATERIALS LETTERS | 1998年 / 35卷 / 3-4期

关键词：

PbSc niobate : Pb titanate; dielectric; piezoelectric properties; mechanical quality;

D O I：

10.1016/S0167-577X(97)00257-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Piezoelectric properties of niobium doped Pb(ScNb)(1/2)O-3 :PbTiO3 [PSN:PT] ceramics near the morphotropic phase boundary are investigated. The piezoelectric coupling factors k(p) approximate to 82%, k(31) = 48%, k(33) = 77%, and k(t)= 57% are measured. In good samples, values of remanent polarization of 40.81 mu C/cm(2) and the mechanical quality factor, Q(m) less than 10 show the potential of the material for designing high sensitivity and wide bandwidth sensors and transducers. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：199 / 201

页数：3

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