The influence of ZrMgMo3O12 on the dielectric properties of BaTi4O9

被引：6

作者：

Yang, Mengjie ^{[1
]}

Wei, Shuangshuang ^{[1
]}

Su, Shi-lei ^{[1
]}

Chao, Mingju ^{[1
]}

Guo, Juan ^{[1
]}

Wang, Hui ^{[1
]}

Tang, Xinbo ^{[1
]}

Jiao, Yajie ^{[1
]}

Liang, Erjun ^{[1
]}

机构：

[1] Zhengzhou Univ, Minist Educ, Sch Phys & Engn, Key Lab Mat Phys, Zhengzhou 450052, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2020年 / 46卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Controllable thermal expansion; Dielectrics; BaTi4O9; ZrMgMo3O12; Temperature coefficient of resonance frequency; Composite materials; NEGATIVE THERMAL-EXPANSION; SINTERING BEHAVIOR; TEMPERATURE; CERAMICS; PERMITTIVITY; ZRW2O8;

D O I：

10.1016/j.ceramint.2020.01.017

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

BaTi4O9/ZrMgMo3O12 composites were prepared by a solid state method according to the relationship between their coefficient of thermal expansion (CTE) and dielectric property. Their phase analysis, thermal expansion, microstructure and dielectric properties were studied in detail. The results showed that the CTE of BaTi4O9/ZrMgMo3O12 composites decreased as the content of ZrMgMo3O12 increasing. And when the content of ZrMgMo3O12 reached 50%, the CTE would be 2.79 x 10(-6)/K, which was 32% of that of BaTi4O9. Besides, the temperature coefficient of resonance frequency (tau(f)) was 4.29 x 10(-6)/K. The changes in dielectric properties of composite samples can be mainly attributed to the changes of microstructure and complex polarization mechanism. And temperature coefficient of resonance frequency (tau(f)) was regulated by the CTE owing to tau(f) = -(alpha + 1/2 tau(epsilon)).

引用

页码：10250 / 10255

页数：6

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