Dielectric and Piezoelectric Properties of Barium-substituted Sr1.9Ca0.1NaNb5O15 Ceramics
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概要
- 論文の詳細を見る
Highly dense piezoelectric ceramics of tungsten bronze-type (Sr1.9Ca0.1)1-0.5xBaxNaNb5O15 (where $x=0.1--0.8$) were prepared by spark plasma sintering. The crystallographic parameters, dielectric behaviors and piezoelectric properties of the sintered ceramics were investigated, and the effects of the Ba substitution on these electrical properties were discussed. The structural analysis and the electrical property measurements indicate a morphotropic phase boundary (MPB)-like phenomenon at $x=0.4--0.5$. In all compositions, a diffuse phase transition and a relaxor behavior are observed. The electrical properties are found to be crystallographically dependent.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2003-12-15
著者
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Nishimura Toshiyuki
Advanced Materials Laboratory National Institute For Materials Science
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WANG Ruiping
Smart Structure Center, National Institute of Advanced Industrial Science and Technology
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Xie Rong-jun
Advanced Materials Laboratory National Institute For Materials Science
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Hirosaki Naoto
Advanced Materials Laboratory National Institute For Materials Science
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Akimune Yoshio
Smart Structure Research Center National Institute Of Advanced Industrial Science And Technology
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Akimune Yoshio
Smart Structure Research Center, National Institute of Advanced Industrial Science and Technology, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568, Japan
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Xie Rong-Jun
Advanced Materials Laboratory, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
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Hirosaki Naoto
Advanced Materials Laboratory, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
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Nishimura Toshiyuki
Advanced Materials Laboratory, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
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Wang Ruiping
Smart Structure Research Center, National Institute of Advanced Industrial Science and Technology, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568, Japan
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