Piezoelectric properties of bismuth layer-structured ferroelectric ceramics with Sr-Bi-Ti-Ta system

被引：9

作者：

Nagata, H ^{[1
]}

Takenaka, T ^{[1
]}

机构：

[1] Sci Univ Tokyo, Fac Sci & Technol, Noda, Chiba 2788510, Japan

来源：

FERROELECTRICS | 2002年 / 273卷

关键词：

bismuth layer-structured ferroelectrics; Bi4Ti3O12; D-E hysteresis loop; electromechanical coupling factor; grain orientation; Curie temperature;

D O I：

10.1080/713716371

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Grain orientation effects of Sr-Bi-Ti-Ta system, especially SrxBi4-xTi3-xTaxO12 (m=3, x=0-2) [SBTT3(x)] ceramics which belong to a bismuth layer-structured ferroelectric (BLSF) family, are studied using the hot-forging (HF) method on their Piezoelectric properties. The grain orientation (HF) effects enhance the piezoelectric properties by a factor of two or more if compared with non-oriented ones. The electromechanical coupling factor, k(33) and the piezoelectric constant, d(33) of the grain oriented SBTT3(0.3) ceramics were relatively high values of 0.40 and 49.5 pC/N.

引用

页码：2737 / 2742

页数：6

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