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
收藏
页码：117 / 120
页数：4
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