Correlation of crystal structure and microwave dielectric properties for Zn(Ti1-xSnx)Nb2O8 ceramics

被引：27
|
作者：
Liao, Qingwei [1 ]
Li, Lingxia [1 ]
Zhang, Ping [1 ]
Cao, Lifeng [1 ]
Han, Yemei [1 ]
机构：
[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2011年 / 176卷 / 01期
基金：
中国博士后科学基金;
关键词：
Crystal structure; Cation valence; Cation ordering; ZnTiNb2O8; BOND-VALENCE;
D O I：
10.1016/j.mseb.2010.08.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The correlation of crystal structure and microwave dielectric properties for Zn(Ti1-xSnx)Nb2O8 ceramics were investigated. The Zn(Ti1-xSnx)Nb2O8 ceramics contained ZnTiNb2O8 and an unknown Columbite-type phase. The columbite structure phase with increasing degree of ordering led to decrease of dielectric constant, increase of Qf and tau(f). The ZnTiNb2O8 with decreasing cation valence led to increase of tau(f). The typical values were: epsilon=30.88, Qf=43,500 GHz, tau(f) = -54.32 x 10(-6)/degrees C. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：41 / 44
页数：4
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