Low permittivity cordierite-based microwave dielectric ceramics for 5G/6G telecommunications
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Authors
Lou, WeichaoMao, Minmin
Song, Kaixin
Xu, Kuiwen
Liu, Bing
Li, Wenjun
Yang, Bin
Qi, Zeming
Zhao, Jianwei
Sun, Shikuan
Lin, Huixin
Hu, Yuanyun
Zhou, Di
Wang, Dawei
Reaney, Ian M.
Affiliation
Hangzhou Dianzi University; University of Chester; University of Science and Technology of China; Chinese Academy of Sciences; Foshan University; Zhejiang Jiaxing Glead Electronic Co. Ltd; Xi’an Jiaotong University; University of SheffieldPublication Date
2022-02-01
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5G and forthcoming 6G communication systems require dielectric ceramics with low relative permittivity (εr) and near-zero temperature coefficient of resonant frequency (τf) for the lower part of the microwave (MW) band and at sub-Terahertz. Mg2Al4Si5O18 (MAS) ceramics are promising candidates due to their low εr (~6) and high-quality factor (Q×f >40,000 GHz) but have a large f. In this study, 5.5wt% TiO2 (MAS-T5.5) was used to adjust τf of MAS to -2.8 ppm/℃ whilst retaining low εr (5.24) and good Q×f (33,400 GHz), properties consistent with those obtained by infrared reflectance. A demonstrator microstrip patch antenna with gain 4.92dBi and 76.3% efficiency was fabricated from MAS-T5.5.Citation
Lou, W., Mao, M., Song, K., Xu, K., Liu, B., Li, W., Yang, B., Qi, Z., Zhao, J., Sun, S., Lin,H., Hu, Y., Zhou, D., Wang, D., & Reaney, I. M. (2022). Low permittivity cordierite-based microwave dielectric ceramics for 5G/6G telecommunications. Journal of the European Ceramic Society, 42(6), 2820-2826. https://doi.org/10.1016/j.jeurceramsoc.2022.01.050Publisher
ElsevierAdditional Links
https://www.sciencedirect.com/science/article/abs/pii/S0955221922000620?via%3Dihub#!Type
ArticleISSN
0955-2219ae974a485f413a2113503eed53cd6c53
10.1016/j.jeurceramsoc.2022.01.050
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