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- Title
Microwave dielectric properties of CaVO ceramics with low dielectric loss.
- Authors
Yao, Guo-Guang; Pei, Cui-Jin; Xu, Jian-Gang; Liu, Peng; Zhou, Jian-Ping; Zhang, Huai-Wu
- Abstract
Novel glass-free low temperature firing microwave dielectric ceramics CaVO with high Q was prepared through a conventional solid-state reaction method. The crystal phase and microstructures were studied by XRD and SEM. Orientation degree of CaVO ceramics increased with an increase of sintering temperature. The Qxf values of CaVO ceramics were strongly correlated with the densification and orientation degree. Typically, the CaVO ceramics sintered at 675 °C possessed excellent microwave dielectric properties: ε = 10.2, Qxf = 123,000 GHz (at 10.2 GHz) and τ = −60 ppm/°C.
- Subjects
MICROWAVES; DIELECTRIC devices; CALCIUM compounds; X-ray diffraction; SCANNING electron microscopy
- Publication
Journal of Materials Science: Materials in Electronics, 2015, Vol 26, Issue 10, p7719
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-015-3414-4