Composition dependent piezoelectric properties of Pb-free (Bi0.5Na0.5)(1-x)BaxTiO3 ceramics

被引：0

作者：

Sung, Y. S. ^{[1
]}

Cho, J. H. ^{[1
]}

Song, T. K. ^{[1
]}

Jeong, S. J.

Song, J. S.

Kim, M. H. ^{[1
,2
]}

机构：

[1] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea

[2] Catholic Univ, Seoul, South Korea

来源：

2007 SIXTEENTH IEEE INTERNATIONAL SYMPOSIUM ON THE APPLICATIONS OF FERROELECTRICS, VOLS 1 AND 2 | 2007年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An optimum composition for maximizing piezoelectric properties Of (Bi0.5Na0.5)(1-x)BaxTiO3 ceramics was investigated within the range of x = 0 similar to 0.1 covering rhombohedral to tetragonal phase regions of the system. A perovskite structure with two different crystal symmetries depending on the Ba content was formed with no impurity phases. A range of morphotropic phase boundary dividing rhombohedral and tetragonal phase regions was found to exist at x = 0.05 similar to 0.08. As for piezoelectric properties the piezoelectric constant (d(33)) and the electromechanical coupling factor (K-p) showed a peak value at x = 0.065 within the range tested, which was 192 pC/N and 34 %, respectively, implying x = 0.065 as an optimum composition for piezoelectric (Bi0.5Na0.5)(1-x)BaxTiO3 ceramics.

引用

页码：689 / +

页数：2

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