Compositional fluctuation and dielectric properties of Pb(Zr_(0.3)Ti_(0.7))O_3 ceramics prepared by spark plasma sintering

Yong Jun Wu; Naofumi Uekawa; Kazuyuki Kakegawa; Yoshinori Sasaki

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Compositional fluctuation and dielectric properties of Pb(Zr_(0.3)Ti_(0.7))O_3 ceramics prepared by spark plasma sintering

机译：火花等离子体烧结制备Pb（Zr_（0.3）Ti_（0.7））O_3陶瓷的成分涨落和介电性能

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摘要

The microstructure, compositional fluctuation and dielectric properties of Pb(Zr_(0.3)Ti_(0.7))O_3 ceramics prepared by spark plasma sintering (SPS) and heat treatment were investigated. The sample heat-treated for 1 h had a large compositional fluctuation, which decreased significantly with increasing heat treatment time up to 2 h and thereafter decreased slightly. It was found that the dielectric constant of above ceramics strongly depended on the compositional fluctuation. Specially, a linear relation between the peak width at two-third maximum dielectric constant of dielectric constant-temperature peak and the compositional fluctuation was observed.

机译：研究了通过火花等离子体烧结（SPS）和热处理制备的Pb（Zr_（0.3）Ti_（0.7））O_3陶瓷的微观结构，组成波动和介电性能。热处理1 h的样品具有较大的成分波动，随着热处理时间的延长（至2 h），该波动显着降低，此后略有下降。发现上述陶瓷的介电常数强烈地依赖于组成波动。特别地，观察到介电常数温度峰的最大介电常数的三分之二处的峰宽与组成波动之间的线性关系。

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来源
《Materials Letters》 |2002年第3期|p.771-775|共5页
作者
Yong Jun Wu; Naofumi Uekawa; Kazuyuki Kakegawa; Yoshinori Sasaki;
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作者单位

Center for Frontier Electronics and Photonics, Chiba University, Yayoi-cho 1-33, Inage, Chiba 263-8522, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
microstructure; compositional fluctuation; dielectric properties; Pb(Zr_(0.3)Ti_(0.7)O_3; spark plasma sintering; heat treatment;

机译：微观结构成分波动;介电性能Pb（Zr_（0.3）Ti_（0.7）O_3;放电等离子体烧结;热处理;

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Compositional fluctuation and dielectric properties of Pb(Zr_(0.3)Ti_(0.7))O_3 ceramics prepared by spark plasma sintering

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