Effects of Co2O3 on the Dielectric Properties of Mg2TiO4- Mg2SiO4 Microwave Ceramics |
| Journal |
Key Engineering Materials (Volumes 280 - 283) |
| Volume |
High-Performance Ceramics III |
| Edited by |
Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li |
| Pages |
13-14 |
| DOI |
10.4028/www.scientific.net/KEM.280-283.13 |
| Online since |
February, 2007 |
| Authors |
Ling Xia Li,
Xiao Dong Sun,
Xia Wan Wu
|
| Keywords |
Cobalt Oxide, Microwave Ceramic, Quality Factor |
| Abstract |
Effect of Co2O3 on microstructure and dielectric properties of Mg2TiO4-Mg2SiO4 microwave ceramic with low permittivity and high Q value was studied. Co2O3 acts and results in decreasing of the sintering temperature and densification of the ceramic material. As a result, the dielectric loss decreases and quality factor Q increases. Mg2+ is replaced partially with Co2+ in Mg2TiO4 to form (Mg,Co)2TiO4. It is demonstrated that the system with 2.4 wt% Co2O3 possesses better dielectric properties. |
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