Microstructures and Piezoelectric properties of CuO-doped (Ba0.98Ca0.02)(Ti0.94Sn0.06)O3 ceramics

被引：6

作者：

Wu, Bo ^{[1
]}

Xiao, Dingquan ^{[1
]}

Wu, Jiagang ^{[1
]}

Huang, Tao ^{[1
]}

Wang, Zhuo ^{[1
]}

Liu, Chao ^{[1
]}

Li, Fangxu ^{[1
]}

Zhu, Jianguo ^{[1
]}

机构：

[1] Sichuan Univ, Dept Mat Sci, Chengdu 610064, Sichuan, Peoples R China

来源：

JOURNAL OF ELECTROCERAMICS | 2014年 / 33卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

Lead-free piezoelectric ceramics; (Ba0.98Ca0.02)(Ti0.94Sn0.06)O-3; CuO; Microstructure; Piezoelectric properties; COEFFICIENT;

D O I：

10.1007/s10832-014-9949-6

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this study, (Ba0.98Ca0.02)(Ti0.94Sn0.06)O-3-xCuO (BCTS-xCuO) lead-free piezoceramics were synthesized by the conventional solid-state method in order to decrease sintering temperatures. The effect of CuO content on the microstructure and electrical properties of (Ba0.98Ca0.02)(Ti0.94Sn0.06)O-3 (BCTS) ceramics was systematically studied. The sintering temperature of BCTS-xCuO ceramics was decreased greatly by introducing CuO, and the grain size of these ceramics slightly increased with increasing x. When sintered at a low temperature of 1300 A degrees C, the BCTS ceramic with x = 0.5 mol% CuO demonstrated an optimum electrical behavior: d (33) similar to 367 pC/N, k (p) similar to 48.7 %, T (C) = 98 A degrees C, and 2P (r) similar to 23.48 mu C/cm(2).

引用

页码：117 / 120

页数：4

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