Effect of Zr/Ti ratio on the dielectric and piezoelectric properties of Mn-doped Ba(Zr, Ti)O3 ceramics

被引：18

作者：

Ding, N. ^{[1
]}

Tang, X. G. ^{[1
]}

Ding, X. D. ^{[2
]}

Liu, Q. X. ^{[1
]}

Jiang, Y. P. ^{[1
]}

Jiang, L. L. ^{[3
]}

机构：

[1] Guangdong Univ Technol, Guangzhou Higher Educ Mega Ctr, Sch Phys & Optoelect Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Sun Yat Sen Zhongshan Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China

[3] Guangdong Univ Technol, Guangzhou Higher Educ Mega Ctr, Lab Teaching Ctr, Guangzhou 510006, Guangdong, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2014年 / 25卷 / 05期

基金：

中国国家自然科学基金;

关键词：

POSITIVE TEMPERATURE-COEFFICIENT; BARIUM-TITANATE CERAMICS; ELECTRICAL-PROPERTIES; FERROELECTRIC CHARACTERISTICS; PHASE-TRANSITION; BEHAVIOR; BA(ZRXTI1-X)O-3; RESISTIVITY; FILMS;

D O I：

10.1007/s10854-014-1876-4

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：

Lead-free piezoelectric Ba(Zr (y) Ti1-y )O-3:0.5 mol%Mn (abbreviated as BZTM-100y, y = 0.04, 0.045, 0.05, and 0.055) ceramics were prepared via the conventional solid-state reaction method. The cubic to tetragonal phase transition temperature (T (c) ) shifts to lower temperature with increasing Zr concentration, and the transition temperature from tetragonal to orthorhombic (T (o-t) ) which is a shift to higher temperature from 26 to 47 A degrees C with increasing y value from 0.04 to 0.055. And a small amount of Mn can improve effectively the electrical properties, especially the piezoelectric properties of the BZT ceramics. Compared to the pure BZT ceramics, the Mn-doped BZTM ceramic shows an excellent piezoelectric coefficient d (33) as 213 pC/N.

引用

页码：2305 / 2310

页数：6

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