Preprints of Annual Meeting of The Ceramic Society of Japan
Preprints of Fall Meeting of The Ceramic Society of Japan
15th Fall Meeting of The Ceramic Society of Japan
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Host: The Ceramic Society of Japan

Effect of A site ion on sinterability and electric properties of KxNa1-xNbyTa1-yO3 ceramics
Masato Matsubara, Toshiaki Yamaguchi, Wataru Sakamoto, Koichi Kikuta, Toshinobu Yogo, Shin-ichi Hirano
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Keywords: Potasium sodium niobate, piezoelectric property, solid reaction method, lead free, hardly sintering, doping effect
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Pages 177

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Abstract
Effect of A/B ratio and ionic size of A site ion of (KxNa1-x)zNbyTa1-yO3 on sinterability and electric properties was studied. When A site ions existed excessively, this compound was not sintered. On the other hand, excessive existence of B site ion resulted in by-product of K4CuNb8O23 and it improved sinterability of (KxNa1-x)zNbyTa1-yO3 system. When Rb was substituted for K, the crystal structures were investigated with XRD and Raman spectrum analysis. In addition sintering behavior and electric properties of Rb substituted system were also investigated.
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© The Ceramic Society of Japan 2002
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