Preparation of low-temperature sintered (Mg0.4Zn0.6)2SiO4 ceramics with CuO addition and simulation for application in microwave antennas

Miao Zhang, Xiangchun Liu, Kai Zhang, Ziyao Wei, Jiahao Liu, Jiahui Wang, Hao Zhou, Yujun Bai, Danni Chen, Jiayan Guan, Hanbi Zhang, Feng Gao

Research output: Contribution to journalArticlepeer-review

Abstract

CuO-doped (Mg0.4Zn0.6)2SiO4 ceramics were prepared by the solid-phase method. The sintering temperature of (Mg0.4Zn0.6)2SiO4 ceramics can be reduced by doping CuO. The 1 wt.% CuO-doped (Mg0.4Zn0.6)2SiO4 ceramics prepared at 1225 °C showed good dielectric (1 MHz) and microwave dielectric properties with the following parameters: ρ = 3.34 g/cm3, εr = 6.98, tanδ = 1.23 × 10–3, εr = 6.49, Q × f = 2982 GHz, and τf = −47.17 ppm/°C. On this basis, a microstrip patch antenna is designed with an operating frequency of 2.45 GHz. The simulation results show that when the resonant frequency is 2.45 GHz, the S11 parameter is −17.49 dB, the bandwidth at −10 dB is 33.9 MHz, the maximum gain is 5.34 dB, and the radiation efficiency is 83.64%.

Original languageEnglish
Article number1555
JournalJournal of Materials Science: Materials in Electronics
Volume36
Issue number24
DOIs
StatePublished - Aug 2025

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