Investigation of field-induced piezoelectric properties in Pb(Mg1/3Nb2/3)O3-PbTiO3 ceramics for transducer applications

被引：0

作者：

Lente, M. H. ^{[1
]}

Zanin, A. L. ^{[1
]}

Garcia, D. ^{[1
]}

Eiras, J. A. ^{[1
]}

Leija, L. ^{[2
]}

Vera, A. ^{[2
]}

Calas, H. ^{[3
]}

Moreno, E. ^{[3
]}

机构：

[1] Univ Fed Sao Carlos, Dept Fis, Grp Ceram Ferroeletr, BR-13560905 Sao Carlos, SP, Brazil

[2] CINVESTAV, Sec Bioelectron, Mexico City, Mexico

[3] Inst Cibernet Matemat & Fisica, Cube Grp Ultrason, Havana, Cuba

来源：

HIGH-PERFORMANCE CERAMICS IV, PTS 1-3 | 2007年 / 336-338卷

基金：

巴西圣保罗研究基金会;

关键词：

induced piezoelectric; relaxors; PMN-PT; ultrasonic transcducer;

D O I：

10.4028/www.scientific.net/KEM.336-338.58

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Pb(Mg1/3Nb2/3)O-3-PbTiO3 based ceramics were produced by conventional sintering method and their electric-field induced electromechanical properties were determined. Large field-induced electromechanical coupling factors, with high piezoelectric anisotropy, were obtained in this relaxor material at relatively low DC electric bias field. A circular ultrasonic transducer with non uniform radial induced polarization was constructed using this material for field diffraction control.

引用

页码：58 / +

页数：2

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