Dielectric responses in Mg1/3Ta2/3-replaced Pb[(Zn1/3Nb2/3),Ti]O3 ceramics

被引：0
|
作者：
Kim, Jee-Su [1 ]
Kim, Nam-Kyoung [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Inorgan Mat Engn, Taegu 702701, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE | 2007年 / 42卷 / 03期
关键词：
D O I：
10.1007/s10853-006-0143-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Octahedral lattice sites of Pb[(Zn1/3Nb2/3),Ti]O-3 were replaced by 20 at.% Mg1/3Ta2/3 complex to enhance perovskite development, especially at Pb(Zn1/3Nb2/3)O-3-rich compositions. Resultant changes in the perovskite formation and associated dielectric responses were investigated. A perovskite structure was identified at Pb(Zn1/3Nb2/3)O-3-rich compositions by X-ray diffraction, although the development was rather incomplete. Phase transition modes in the dielectric constant spectra changed from diffuse to sharp ones, regardless of the introduction of Mg1/3Ta2/3. Dielectric maximum temperatures of the ceramics shifted linearly with the compositional change.
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收藏
页码：812 / 816
页数：5
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