Effect of sintering temperature on multiferroic properties of Mg-doped Bismuth Ferrite

IF 2.1 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

Solid State Communications Pub Date : 2024-08-17 DOI:10.1016/j.ssc.2024.115656

Priya Prajapati, Kirti Bera, Renuka Pithiya, Devang Pandya, Akshay Lila, Thaker Amisha, Surojit Bera, Jahnviba Zala, Gautam Patadiya, P.V. Kanjariya

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Abstract

The research findings from a thorough examination of the impact of sintering temperature are presented in this publication on structural, ferroelectric, ferromagnetic and dielectric properties of Mg-doped Bismuth Ferrite. Bi_0.88Mg_0.12FeO₃ (BMFO) was synthesized using a solid-state reaction technique and sintered at three different temperatures: 750 °C, 800 °C and 830 °C. Structural analysis was performed using Rietveld refinement of XRD data, which confirms the presence of perovskite phase with rhombohedral structure in all samples and also changes in lattice parameters that result from sintering temperature changes. The average crystalline size as well as the lattice strain are calculated using the Williamson-Hall method. The loss tangent and dielectric constant have been examined as a function of frequency revealing a considerable improvement in dielectric properties. SEM analysis was performed to identify the microstructural property of the samples. Ferroelectric properties were studied using a P-E loop which confirms the enhancement in the ferroelectric property as sintering temperature increases. The improvement in the multiferroic nature will be discussed in light of the sintering temperature effect on Mg-doped Bismuth Ferrite.

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烧结温度对掺镁铋铁氧体多铁性的影响

本出版物介绍了烧结温度对掺镁铁氧体铋的结构、铁电、铁磁和介电性质影响的深入研究结果。Bi0.88Mg0.12FeO3 (BMFO) 采用固态反应技术合成，并在三种不同温度下烧结：750 °C、800 °C和 830 °C。通过对 XRD 数据进行里特维尔德细化，进行了结构分析，证实了所有样品中都存在斜方体结构的包晶相，以及烧结温度变化导致的晶格参数变化。平均晶体尺寸和晶格应变是用威廉森-霍尔法计算得出的。损耗正切和介电常数随频率的变化而变化，显示出介电性能的显著改善。为了确定样品的微观结构特性，还进行了 SEM 分析。使用 P-E 回路研究了铁电特性，结果证实铁电特性随着烧结温度的升高而增强。我们将根据烧结温度对掺镁铁氧体铋的影响来讨论多铁氧体性质的改善。

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

Solid State Communications 物理-物理：凝聚态物理

CiteScore

3.40

自引率

4.80%

发文量

287

审稿时长

51 days

期刊介绍： Solid State Communications is an international medium for the publication of short communications and original research articles on significant developments in condensed matter science, giving scientists immediate access to important, recently completed work. The journal publishes original experimental and theoretical research on the physical and chemical properties of solids and other condensed systems and also on their preparation. The submission of manuscripts reporting research on the basic physics of materials science and devices, as well as of state-of-the-art microstructures and nanostructures, is encouraged. A coherent quantitative treatment emphasizing new physics is expected rather than a simple accumulation of experimental data. Consistent with these aims, the short communications should be kept concise and short, usually not longer than six printed pages. The number of figures and tables should also be kept to a minimum. Solid State Communications now also welcomes original research articles without length restrictions. The Fast-Track section of Solid State Communications is the venue for very rapid publication of short communications on significant developments in condensed matter science. The goal is to offer the broad condensed matter community quick and immediate access to publish recently completed papers in research areas that are rapidly evolving and in which there are developments with great potential impact.