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
收藏
页码：2305 / 2310
页数：6
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