Effects of strontium on the surface acoustic wave properties of Sm-modified PbTiO3 ceramics

被引：6

作者：

Chen, TY

Chu, SY

Juang, YD

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan, Taiwan

[2] Tainan Teachers Coll, Dept Nat Sci Educ, Tainan, Taiwan

来源：

ULTRASONICS | 2003年 / 41卷 / 02期

关键词：

anisotropy materials; ceramics; piezoelectricity; surface acoustic wave;

D O I：

10.1016/S0041-624X(02)00406-7

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The Sm-modified lead titanate ceramics with a composition of (Pb0.88-xSrxSM0.08)(Ti0.98Mn0.02)O-3; x = 0.05-0.25 were prepared by conventional mixed-oxide method. Surface acoustic wave (SAW) properties, including phase velocity, electromechanical coupling coefficient and temperature coefficient of frequency, were measured. The experiments successfully showed that Sr additive is helpful to obtain higher phase velocity and high electromechanical coupling coefficient. The SAW properties of our samples (V-p,k(2)) are better than some commercially-made PZT and PT samples. (C) 2002 Elsevier Science B.V. All rights reserved.

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收藏

页码：141 / 143

页数：3

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