Fabrication and Microwave Dielectric Properties of Mg2SiO4-LiMgPO4-TiO2 Composite Ceramics

被引：17
|
作者：
Cheng, ZiFan [1 ]
Hu, Xing [1 ]
Li, Yi [1 ]
Ling, ZhiYuan [1 ]
机构：
[1] South China Univ Technol, Dept Elect Mat Sci & Engn, Guangzhou 510640, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2016年 / 99卷 / 08期
关键词：
microwave dielectrics; forsterite; LiMgPO4; TEMPERATURE; FORSTERITE; LIMGPO4; MG2SIO4;
D O I：
10.1111/jace.14276
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：
Complete solid solutions between Mg2SiO4 and LiMgPO4 are confirmed by the XRD results. The phase constitution of 0.5Mg(2)SiO(4)-0.5LiMgPO(4) is found to be dependent on firing temperature. The chemical compatibility between Mg2SiO4 and rutile phase at sintering temperature is modified by incorporating LiMgPO4. The microwave dielectric properties of (1 - y)(0.5Mg(2)SiO(4)-0.5LiMgPO(4))-yTiO(2) (y = 0-0.3) composite ceramics have been investigated. The optimized microwave dielectric properties for 0.35Mg(2)SiO(4)-0.35LiMgPO(4)-0.3TiO(2) ceramics sintered at 1050 degrees C show low dielectric constant (11.4), high-quality factor (31 800 GHz), and low-temperature coefficient of resonant frequency (-4 ppm/degrees C).
引用
收藏
页码：2688 / 2692
页数：5
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