Ferroelectric and piezoelectric properties of [(Ba1-3x/2Bix)0.85Ca0.15](Ti0.90Zr0.10)O3 lead-free piezoelectric ceramics

被引：13

作者：

Chen, Tao ^{[1
]}

Zhang, Ting ^{[1
]}

Zhou, Jifang ^{[1
]}

Zhang, Jianwei ^{[1
]}

Liu, Yuhong ^{[1
]}

Wang, Guangchang ^{[1
]}

机构：

[1] Chengdu Med Coll, Teaching & Res Sect Phys, Chengdu 610083, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 04期

关键词：

Ceramics; Electron microscopy; Piezoelectricity; TEMPERATURE; ELECTRODE;

D O I：

10.1016/j.materresbull.2012.01.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Bismuth-modified barium calcium zirconate titanate ceramics [(Ba1-3x/2Bix)(0.85)Ca-0.15](Ti0.90Zr0.10)O-3 (BBCTZ) have been prepared by the conventional solid-state reaction method, and effects of Bi content on the electrical properties of BBCTZ ceramics were systematically investigated. BBCTZ ceramics endure a phase transition from the coexistence of rhombohedral and tetragonal phases, a tetragonal phase, to a cubic phase with increasing Bi content. The Curie temperature, the remanent polarization, and the dielectric loss of BBCTZ ceramics gradually decrease with increasing the Bi content. The BBCTZ ceramic with x = 0.0075 exhibits an optimum electrical behavior: d(33) similar to 361 pC/N and k(p) similar to 40.2%. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1104 / 1106

页数：3

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