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.

引用

页码：73 / 76

页数：4

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