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Microwave dielectric properties of temperature stable Li2ZnxCo1−xTi3O8 ceramics |
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| Authors: | Liang FangDongjin Chu Huanfu Zhou Xiuli ChenHui zhang Baocheng ChangChunchun Li Yuandong QinXi Huang |
| Affiliation: | a State Key Laboratory Breeding Base of Nonferrous Metals and Specific Materials Processing, Key Laboratory of Nonferrous Materials and New Processing Technology, Ministry of Education, Guilin University of Technology, Jiangan Road 12#, Guilin, Guangxi 541004, China b Guangxi New Future Information Industry Co., Ltd., Beihai 536000, China |
| Abstract: | The Li2ZnxCo1−xTi3O8 (x = 0.2-0.8) solid solution system has been synthesized by the conventional solid-state ceramic route and the effect of Zn substitution for Co on microwave dielectric properties of Li2CoTi3O8 ceramics has also been investigated. The microwave dielectric properties of these ceramics show a linear variation between the end members for all compositions. The optimized sintering temperatures of Li2ZnxCo1−xTi3O8 ceramics increase with increasing content of Zn. The specimen with x = 0.4 sintered at 1050 °C/2 h exhibits an excellent combination of microwave dielectric properties with ?r = 27.7, Qu × f = 57,100 GHz and τf = −1.0 ppm/°C. |
| Keywords: | Dielectric ceramic Microstructure Microwave X-ray diffraction |
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