Dielectric and piezoelectric properties of bismuth-containing complex perovskite solid solution of Bi1/2Na1/2TiO3−Bi(Mg2/3Nb1/3)O3

被引：0
|
作者：
Changrong Zhou
Xinyu Liu
机构：
[1] Guilin University of Electronic Technology,Department of Information Material Science and Engineering
[2] Central South University,School of Material Science and Engineering
来源：
Journal of Materials Science | 2008年 / 43卷
关键词：
Dielectric Constant; Perovskite; Piezoelectric Property; NaNbO3; Conventional Solid State Reaction Method;
D O I：
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中图分类号：
学科分类号：
摘要：
New lead-free bismuth-containing complex perovskite solid solution, (1−x)(Bi1/2Na1/2)TiO3−xBi(Mg2/3Nb1/3)O3, were synthesized by conventional solid state reaction method. Effect of Bi(Mg2/3Nb1/3)O3 on crystal structure, dielectric and piezoelectric properties were investigated. The XRD analysis showed that all compositions can form single perovskite phase with rhombohedral symmetry. Addition of small amount of Bi(Mg2/3Nb1/3)O3 improves piezoelectric properties and the optimal piezoelectric properties of d33 = 94 pC/N and kt = 0.46 were obtained at x = 0.7% and x = 0.9%, respectively. Temperature dependence of dielectric constant εr measurement indicated these compounds were typical relaxor ferroelectric.
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页码：1016 / 1019
页数：3
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