Design of fractal shaped antenna with MBBA LC material dispersed with ZnO nanoparticles for bandwidth improvement

Zeitschrift für Naturforschung A Pub Date : 2024-05-30 DOI:10.1515/zna-2024-0061

Nagandla Prasad, Pokkunuri Pardhasaradhi, Boddapati Taraka Phani Madhav, Gorla Venkata Ganesh, Velichalamala Sidda Reddy, Manepalli Rama Krishna Nanchara Rao, Nutakki Krishna Mohan

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Abstract

This article proposes a compact coplanar waveguide (CPW)-fed antenna to improve proposed antenna’s bandwidth without altering its basic design. The proposed fractal shaped antenna comprises a CPW feed with a defective ground structure (DGS). The proposed antenna is operating at single frequency band (C), when the gap between two glass plates is filled with an air and covers two different frequency bands (S and C), when there is a LC material p-methoxy-benzylidene-p-n-butyl aniline (MBBA) with ZnO nanoparticles, further the proposed fractal antenna, resonating from 4.4 to 6 GHz frequency and offers 5.64 dBi peak gain with air gap and operates from 3.1 GHz to 6.8 GHz with a maximum obtained peak gain of 3.9 dBi when filled with MBBA dispersed with ZnO nano particles. IT also evident that the transition temperatures of pure MBBA are reduced when doped with ZnO nano particles. The results are compared and analyzed with the body of data available.

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利用分散有氧化锌纳米颗粒的 MBBA LC 材料设计分形天线以提高带宽

本文提出了一种紧凑型共面波导（CPW）馈电天线，可在不改变基本设计的情况下提高拟议天线的带宽。拟议的分形天线由带有缺陷接地结构（DGS）的 CPW 馈电组成。当两块玻璃板之间的间隙充满空气时，拟议的天线工作在单一频段（C），当含有氧化锌纳米颗粒的 LC 材料对甲氧基-亚苄基-对正丁基苯胺（MBBA）时，拟议的分形天线覆盖两个不同的频段（S 和 C）。当填充了分散有氧化锌纳米颗粒的 MBBA 后，天线的工作频率为 3.1 GHz 至 6.8 GHz，最大峰值增益为 3.9 dBi。同样明显的是，当掺入氧化锌纳米颗粒时，纯 MBBA 的过渡温度降低了。这些结果与现有数据进行了比较和分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Zeitschrift für Naturforschung A

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