Application of Pb[(Zn1/3Nb2/3)0.91Ti0.09]O3 single crystal with giant k31 mode to piezoelectric bimorph

被引：0
|
作者：
Ogawa, T [1 ]
Sakai, M [1 ]
Yamada, T [1 ]
机构：
[1] Shizuoka Inst Sci & Technol, Dept Elect Elect & Informat Engn, Shizuoka 4378555, Japan
来源：
2004 14th IEEE International Symposium on Applications of Ferroelectrics-ISAF-04 | 2004年
关键词：
Pb[(Zn1/3Nb2/3)(0.91)Ti-0.09]O-3 single crystal; giant k(31) mode; mono-domain; piezoelectric biomorph; bending mode;
D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Piezoelectric unimorphs and bimorphs were fabricated by utilizing Pb[(Zn1/3Nb2/3)(0.91)Ti-0.09]O-3 (PZNT91/09) single crystal plates with giant k(31) over 80%. The electromechanical coupling factors on bending mode (k(b)) were 64.7% (PZNT91/09 single crystals) and 20.6% (PZT ceramics) in the case of unimorphs. The k(b)'s in bimorphs were 69.8% (PZNT91/09 single crystals) and 31.2% (PZT ceramics), respectively. Furthermore, the PZNT91/09 single crystal bimorph showed the superior piezoelectric properties such as three times larger impedance ratio on the resonant and the anti-resonant frequencies. The displacement of the single crystal devices also showed the excellent characteristics in comparison with the one of the PZT ceramic devices.
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页码：73 / 76
页数：4
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