Dielectric and Piezoelectric Properties of (Na0.525K0.4425Li0.0375)(Nb0.9625Ta0.0375)O3 Ceramics Substituted with Sb

被引：1
作者：
Lee, Kabsoo [1 ]
Kim, Youseok [1 ]
Shin, Sanghoon [1 ]
Yoo, Juhyun [1 ]
机构：
[1] Semyung Univ, Dept Elect Engn, Jechon, Chungbuk, South Korea
来源：
FERROELECTRICS | 2014年 / 460卷 / 01期
关键词：
piezoelectric coefficient; electromechanical coupling factor; Lead-free ceramic; TEMPERATURE;
D O I：
10.1080/00150193.2014.875449
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, lead-free Sb substituted (Na0.525K0.4425Li0.0375)(Nb0.9625Ta0.0375)O-3 ceramics were synthesized by traditional solid state sintering process. The effects of Sb substitution on the dielectric and piezoelectric properties were investigated in order to develop excellent lead-free piezoelectric ceramics. The (Na0.525K0.4425Li0.0375)(Nb0.9625-xSbxTa0.0375)O-3 ceramics with x = 0.065 showed excellent piezoelectric properties. The piezoelectric constant (d(33)), electromechanical coupling factor (k(p)), dielectric constant (epsilon(r)) and density were optimized as 193 pC/N, 50.25%, 703 and 4.48g/cm(3), respectively.
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页码：179 / 186
页数：8
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