采用温度稳定的高介电常数Ba4.5(Sm0.8La0.2)9Ti18O54微波介电陶瓷的5G宽带介电贴片天线

IF 3.4 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Engineering Materials Pub Date : 2025-02-07 DOI:10.1002/adem.202402519

Muhammad Shehbaz, Chao Du, Muhammad Wasif Niaz, Xiao-Gang Yao, Haiyi Peng, Hui-Xing Lin, Zhong-Qi Shi, Di-Ming Xu, Song Xia, Yong-Qiang Pang, Di Zhou

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引用次数: 0

摘要

在低剖面、宽带宽、高增益和高辐射效率需求的推动下，介质贴片天线（DPA）因其在未来应用中的无限潜力而成为天线技术的一项重要创新。本文讨论了使用高介电常数温度稳定低损耗 Ba4.5(Sm0.8La0.2)9Ti18O54（BSLT）微波介电陶瓷在 1380 ℃ 烧结温度下通过固态反应法制备的全陶瓷宽带 DPA。所制备的陶瓷具有优异的微波介电性能，其介电常数（εr）≈ $/approx$ 90.0，高 Q × f 值（Q = 质量因子，f = 谐振频率）≈ $/approx$ 8230 @ 3.54 GHz，谐振频率温度系数（TCF）≈ $/approx$ +2.8 ppm ℃-1。所设计的 DPA 的主要特点是其独特的结构和设计，贴片和地平面均由高εr、低损耗、温度稳定的微波介质陶瓷构成。通过在接地和辐射贴片之间使用空气基板和盘式探头，实现了宽带性能。所制造的 DPA 具有 46.8% 的宽带宽和 6.5 dBi 的实测增益。由于其出色的微波特性和辐射性能，预计所提出的 DPA 在 5G 通信系统中的应用前景广阔。

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All Ceramic Wideband Dielectric Patch Antenna Using Temperature-Stable High-Permittivity Ba4.5(Sm0.8La0.2)9Ti18O54 Microwave Dielectric Ceramic for 5G Applications

Driven by the demand of low profile, wide bandwidth, high gain, and high radiation efficiency, dielectric patch antenna (DPA) has become an important innovation for antenna technology due to its limitless potential for futuristic applications. This article discusses all ceramic wideband DPA using high permittivity temperature-stable low-loss Ba_4.5(Sm_0.8La_0.2)₉Ti₁₈O₅₄ (BSLT) microwave dielectric ceramic prepared by solid-state reaction method at sintering temperature of 1380 °C. The fabricated ceramic has excellent microwave dielectric properties with permittivity (ε_r) $\approx$ 90.0, high Q × f value (Q = quality factor, f = resonant frequency) $\approx$ 8230 @ 3.54 GHz, and temperature coefficient of resonant frequency (TCF) $\approx$ +2.8 ppm °C⁻¹. The main characteristic of designed DPA is its unique structure and design, where both patch and ground plane are made up of high ε_r, low loss, temperature-stable microwave dielectric ceramic. Wideband performance is realized by using air substrate and disk-loaded probe between ground and radiating patch. The fabricated DPA has wide bandwidth of 46.8% and measured realized gain of 6.5 dBi. Due to its excellent microwave properties and radiation performance, the proposed DPA is envisaged to have promising applications for 5G communication systems.

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来源期刊

Advanced Engineering Materials 工程技术-材料科学：综合

CiteScore

5.70

自引率

5.60%

发文量

544

审稿时长

1.7 months

期刊介绍： Advanced Engineering Materials is the membership journal of three leading European Materials Societies - German Materials Society/DGM, - French Materials Society/SF2M, - Swiss Materials Federation/SVMT.