Structural, Optical, and Dielectric Property Analysis of Co0.7Zn0.3Cr2O4 Chromite System

Q3 Materials Science

Macromolecular Symposia Pub Date : 2025-04-14 DOI:10.1002/masy.202400124

Tarun Garg, Rupali Joshi, Lakhan Kumar Parmar, Abbas Ali Koser, Ravi Kant Choubey, Anand Yadav

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Abstract

The present investigation mainly focuses on the process of characterization and synthesis of Zn-doped CoCr₂O₄ as Co_0.7Zn_0.3Cr₂O₄. The solid state reaction route method is used to synthesize this material. XRD data analysis has revealed that a single phased sample is prepared that acquired cubic structure (Fd3m). Raman spectrum of the Co_0.7Zn_0.3Cr₂O₄ chromite sample reveals five distinct narrow bands at 190 (F_2g), 435 (E_g), 505 (F_2g(2)), 535 (F_2g(3)), and 670 (A_1g). The energy bandgap of the synthesized Co_0.7Zn_0.3Cr₂O₄ chromite sample is determined to be 3.14 eV using UV–vis spectral analysis. Dielectric permittivity is witnessed to be high with low loss values. Loss characteristics further reveals resonance in the sample. In addition, the study emphasized on the conductivity nature of the sample also.

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Co0.7Zn0.3Cr2O4 铬酸盐体系的结构、光学和介电性能分析

本研究主要关注掺锌 CoCr2O4（即 Co0.7Zn0.3Cr2O4）的表征和合成过程。该材料的合成采用了固态反应路线法。XRD 数据分析显示，制备出的单相样品具有立方结构 (Fd3m)。Co0.7Zn0.3Cr2O4 铬铁矿样品的拉曼光谱显示在 190 (F2g)、435 (Eg)、505 (F2g(2))、535 (F2g(3)) 和 670 (A1g) 处有五个明显的窄带。通过紫外可见光谱分析，确定合成的 Co0.7Zn0.3Cr2O4 铬铁矿样品的能带隙为 3.14 eV。介电常数较高，损耗值较低。损耗特性进一步显示了样品中的共振。此外，研究还强调了样品的导电性。

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

Macromolecular Symposia Materials Science-Polymers and Plastics

CiteScore

1.50

自引率

0.00%

发文量

226

期刊介绍： Macromolecular Symposia presents state-of-the-art research articles in the field of macromolecular chemistry and physics. All submitted contributions are peer-reviewed to ensure a high quality of published manuscripts. Accepted articles will be typeset and published as a hardcover edition together with online publication at Wiley InterScience, thereby guaranteeing an immediate international dissemination.