Microstructure and microwave dielectric properties of ZnO-B2O3 added (Ca0.254Li0.19Sm0.14)TiO3 ceramics

被引：3
|
作者：
Lu Yin [2 ]
Li Haitao [1 ,3 ]
Li Qian [1 ]
Zhang Boping [3 ]
机构：
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471003, Peoples R China
[2] Henan Polytech Inst, Dept Mech Engn, Nanyang 473009, Peoples R China
[3] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
RARE METALS | 2010年 / 29卷 / 03期
基金：
中国国家自然科学基金;
关键词：
microwave dielectric properties; densification; ceramics; sintering behavior; TITANATE CERAMICS; RESONATORS; FREQUENCY; ADDITIVES; V2O5;
D O I：
10.1007/s12598-010-0042-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of ZnO-B2O3 (ZB(2)) on the sintering behavior and microwave dielectric properties of (Ca0.254Li0.19Sm0.14)TiO3 ceramics were investigated. The densities of the specimens reached the maximum value by adding 3 wt.% ZB(2) and then decreased. The sintering temperature of the specimens was lowered from 1300 to 1100 degrees C without degradation of the microwave dielectric properties. The (Ca0.254Li0.19Sm0.14)TiO3 + 3 wt.% ZB(2) sintered at 1100 degrees C for 3 h showed good microwave dielectric properties, epsilon(r) = 108.2, Q(f) = 6545 GHz, and tau(f) = 6.5 ppm/degrees C, respectively, indicating that ZB(2) was an effective sintering aid to improve the densification and microwave dielectric properties of (Ca0.254Li0.19Sm0.14)TiO3 ceramics.
引用
收藏
页码：243 / 247
页数：5
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