Hydrothermal synthesis and piezoelectric property of Ta-doping K0.5Na0.5NbO3 lead-free piezoelectric ceramic
Hydrothermal synthesis and piezoelectric property of Ta-doping K0.5Na0.5NbO3 lead-free piezoelectric ceramic
复制标题
Ta掺杂K0.5Na0.5NbO3无铅压电陶瓷的水热合成及压电性能
DOI:
10.1016/j.ceramint.2009.05.018
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发表时间:
2009-12
影响因子:
5.2
通讯作者:
Zhou, Yuan
中科院分区:
文献类型:
--
作者:
Guo, Min;Zhang, Ci;Zhang, Mei;Zhou, Yuan
Ta-doping K0.5Na0.5Nb1−xTaxO3(x=0.1, 0.2, 0.3, 0.4) powder was synthesized by hydrothermal approach and its ceramics were prepared after sintering and polarizing treatment in this work. The K0.5Na0.5Nb0.7Ta0.3O3ceramics near morphotropic phase boundary (MPB), which exhibited optimum piezoelectric properties of d33=210pC/N and good electromechanical coupling factors of Kp=0.3. The domain structure has been observed from TEM images which indicates that the K0.5Na0.5Nb0.7Ta0.3O3ceramics have good piezoelectric and ferroelectric properties for it is near the MPB.
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DOI:
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