Zero Temperature Compensated Microwave Dielectric Properties of Ca0.8Sr0.2TiO3-Li0.5Ln0.5TiO3 System

被引：2
|
作者：
Yan, Kang [1 ]
Karaki, Tomoaki [1 ]
Adachi, Masatoshi [1 ]
机构：
[1] Toyama Prefectural Univ, Fac Engn, Dept Intelligent Syst Design Engn, Toyama 9390398, Japan
来源：
FERROELECTRICS | 2009年 / 378卷
关键词：
Perovskite structure; LLT systems; Microwave dielectric ceramics; Temperature coefficient of resonant frequency; CERAMICS; FREQUENCIES; BA(ZN1/3TA2/3)O-3;
D O I：
10.1080/00150190902844353
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microwave dielectric properties of (1 - x) Ca0.8Sr0.2TiO3 + xLi0.5Ln0.5TiO3 (CST-LLT) (x = 0-1.0) (Ln: Nd, Sm) system have been investigated. The dielectric constant ( r) decreased with x increasing. The temperature coefficient of resonant frequency ( f) decreased almost linearly from high positive values to negative values with the increase of x. A near zero f was achieved at x = 0.87 for Nd and x = 0.81 for Sm ions, respectively. Optimized microwave dielectric properties ( r = 111.6; Q f = 2013 GHz; f = - 2.75 ppm/C) of CST-LNT and ( r = 95; Q f = 3303 GHz; f = - 1.8 ppm/C) of CST-LST were estimated at x = 0.87 and x = 0.81 respectively.
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页码：1 / 7
页数：7
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