Low-temperature sintering and microwave dielectric properties of Ca5Co4(VO4)6 ceramics |
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| Affiliation: | 1. College of Physics and Information Technology, Shaanxi Normal University, Xi’an 710062, China;2. School of Science, Xi’an University of Posts and Telecommunications, Xi’an 710121, China;3. The Key Laboratory of Electronic Thin Film and Integrated Device, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | A novel low temperature firing high Q microwave dielectric ceramic Ca5Co4(VO4)6 was prepared by the conventional solid-state reaction method. The phase purity, microstructure, and microwave dielectric properties were investigated. The Ca5Co4(VO4)6 ceramic sintered at 875 °C exhibited excellent microwave dielectric properties: Qxf = 95,200 GHz (at 10.6 GHz), τf = ?63 ppm/°C, ?r = 10.1, and its ?r corrected for porosity was calculated as 11.1. |
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| Keywords: | Dielectric properties Sintering X-ray methods Garnet structure |
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