Abstract
The series of La(Mg0.5−xNixSn0.5)O3 microwave ceramics were investigated for application in sub-6 GHz patch array antenna. The microwave dielectric characteristics of La(Mg0.5−xNixSn0.5)O3 ceramics are determined using X-ray diffraction patterns, Rietveld refinement, and Raman spectra. As the degree of substitution of Ni2+ increases, the position of the A1g(O) Raman mode shifts toward a higher frequency. The La(Mg0.45Ni0.05Sn0.5)O3 exhibits a minimum full width at half maximum for the A1g(O) Raman vibration mode. At x = 0.05, a permittivity of 19.8 and a quality factor (Q × f) of 104,000 GHz were achieved with a temperature coefficient at the resonant frequency (TCF) of − 87.9 ppm/°C. The proposed sub-6 GHz 2 × 2 patch array antenna has frequencies cover sub-6 GHz band, LTE band 42, and LTE band 43. A 10 dB return loss with bandwidth 848 MHz (3114–3962 MHz) was successfully achieved.
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The authors would like to thank the National Science Council in Taiwan, for financially supporting this research under Contract No. 108-2622-8-262 -001-TE1.
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Chen, YC., You, YC. Dielectric characteristics of La(Mg0.5−xNixSn0.5)O3 ceramics at microwave frequency for application in sub-6 GHz patch array antenna. J Mater Sci: Mater Electron 31, 3510–3518 (2020). https://doi.org/10.1007/s10854-020-02899-6
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DOI: https://doi.org/10.1007/s10854-020-02899-6