LiCa3ZnV3O12: A novel low-firing, high Q microwave dielectric ceramic
LiCa3ZnV3O12: A novel low-firing, high Q microwave dielectric ceramic
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LiCa3ZnV3O12：一种新型低烧、高 Q 值微波介电陶瓷
DOI：
10.1016/j.ceramint.2013.08.081
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发表时间：
2014-04
影响因子：
5.2
通讯作者：
Zhang, Hui
中科院分区：
文献类型：
--
作者：
Fang, Liang;Wei, Zhenhai;Kuang, Xiaojun;Zhang, Hui
A novel low-firing microwave dielectric ceramic LiCa3ZnV3O12with low dielectric loss was synthesized by the solid-state reaction method. The phase composition, microstructure, and sintering behavior were investigated. The LiCa3ZnV3O12ceramic could be well densified at around 900 °C and exhibited favorable microwave dielectric properties with a low relative permittivity (εr) of 11.5, a fairly high quality factor (Quf) of 81,100 GHz, and a negative temperature coefficient of resonant frequency (τf) approximately −72 ppm/°C. The LiCa3ZnV3O12ceramic can be co-fired with Ag electrode, which makes it a promising ceramic for low temperature co-fired ceramic (LTCC) applications as substrate. Furthermore, 0.8LiCa3ZnV3O12–0.2CaTiO3ceramic sintered at 925 °C for 4 h exhibited improved microwave dielectric properties ofεr=13.2,Quf=59,600 GHz, andτf=1.3 ppm/°C.
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