Synthesis, characterization, and application of Ba3V2O8 ceramics in cylindrical dielectric resonator antenna: Simulation and experimental study

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-11-16 DOI:10.1016/j.mseb.2024.117791

M.A. Dinesh , Raghvendra Kumar , Vibha Rani Gupta , Vijaylakshmi Dayal

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引用次数: 0

Abstract

This study focuses on synthesizing dielectric ceramic material Ba₃V₂O₈ (BVO) and its application in Cylindrical Dielectric Resonator Antennas (CDRAs) fabrication. The investigation involves a comprehensive parametric study combining software simulations and experimental validation to understand the performance characteristics of the CDRA using the synthesized material. The ceramics were sintered at 900 °C and 950 °C. X-ray diffraction (XRD) confirmed the phase formation, indicating a Rhombohedral structure with the space group

R \bar{3} m

. Dielectric properties were characterized, revealing temperature-independent structures. The dielectric properties of BVO ceramics (BVO-900:

ε_{r}

=13.1,

Q \times f

=4000,

t a n δ

=0.00222,

τ_{f}

=0; BVO-950:

ε_{r}

=13,

Q \times f

= 5000,

t a n δ

=0.00173,

τ_{f}

=0) were utilized to model CDRAs using the High-Frequency Structure Simulator (HFSS) suite. The designs were optimized for effective performance and used to fabricate CDRAs, which were subsequently characterized using a network analyzer and a double-ridge horn antenna. The CDRA using BVO-900 exhibited resonance frequency (

f_{r})

= 8.06 GHz, S₁₁ = -44.02 dB, Voltage Standing Wave Ratio (VSWR) = 1.07, and Bandwidth (BW) = 16.25 %, while the BVO-950-based antenna displayed

f_{r}

= 8.09 GHz, S₁₁ = -30.49 dB, VSWR = 1.06, and BW = 13.1 %. Measured values closely matched simulated values, demonstrating the effectiveness of the synthesized ceramics in CDRA applications.

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圆柱形介质谐振器天线中 Ba3V2O8 陶瓷的合成、表征和应用：仿真与实验研究

本研究的重点是合成介电陶瓷材料 Ba3V2O8（BVO）及其在圆柱介质谐振器天线（CDRA）制造中的应用。这项研究包括一项综合参数研究，结合软件模拟和实验验证，以了解使用合成材料的 CDRA 的性能特征。陶瓷在 900 °C 和 950 °C 下烧结。X 射线衍射 (XRD) 证实了相的形成，显示出空间群为 R3¯m 的斜方体结构。介电性能表征显示了与温度无关的结构。利用 BVO 陶瓷（BVO-900：εr=13.1，Q×f=4000，tanδ=0.00222，τf=0；BVO-950：εr=13，Q×f=5000，tanδ=0.00173，τf=0）的介电特性，使用高频结构模拟器（HFSS）套件建立 CDRA 模型。对设计进行了有效性能优化，并用于制造 CDRA，随后使用网络分析仪和双脊喇叭天线对其进行了鉴定。使用 BVO-900 的 CDRA 显示共振频率 (fr) = 8.06 GHz、S11 = -44.02 dB、电压驻波比 (VSWR) = 1.07 和带宽 (BW) = 16.25 %，而基于 BVO-950 的天线显示频率 (fr) = 8.09 GHz、S11 = -30.49 dB、VSWR = 1.06 和带宽 = 13.1 %。测量值与模拟值非常吻合，证明了合成陶瓷在 CDRA 应用中的有效性。

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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来源期刊

Materials Science and Engineering B-advanced Functional Solid-state Materials 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.