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

被引：0
|
作者：
Bo Wu
Dingquan Xiao
Jiagang Wu
Tao Huang
Zhuo Wang
Chao Liu
Fangxu Li
Jianguo Zhu
机构：
[1] Sichuan University,Department of Materials Science
来源：
Journal of Electroceramics | 2014年 / 33卷
关键词：
Lead-free piezoelectric ceramics; (Ba; Ca; )(Ti; Sn; )O; CuO; Microstructure; Piezoelectric properties;
D O I：
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中图分类号：
学科分类号：
摘要：
In this study, (Ba0.98Ca0.02)(Ti0.94Sn0.06)O3–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)O3 (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 °C, the BCTS ceramic with x = 0.5 mol% CuO demonstrated an optimum electrical behavior: d33 ~ 367 pC/N, kp ~ 48.7 %, TC = 98 °C, and 2Pr ~ 23.48 μC/cm2.
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页码：117 / 120
页数：3
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