Effect of Magnetic field on dielectric properties in PLT/BNCFO composites

IF 1.3 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Emerging Materials Research Pub Date : 2023-06-01 DOI:10.1680/jemmr.22.00183

I. Sharma, Shruti Mahajan, V. Arora, Mehak Arora, Nitin Mahajan, Kanika Aggarwal, Anupinder Singh

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引用次数: 1

Abstract

The main goal of this study is to analyze the magnetic, dielectric, and magneto-dielectric characteristics of Pb1− x La x Ti1− x O 3 - (Ba1–3 x Nd2 x )4Co2Fe36O60 (where x = 0.25) composite material at various temperatures T1-T3 (i.e 1100°C ,1200°C, 1300°C respectively). The X-ray diffraction investigation has been introduced in order to pinpoint the creation of the U-type hexaferrite phase. SEM micrographs reveal that sample sintered at T2 reached the maximum value of grain size and the largest experimental density value of 6.14 g/cm3 due to the composite material's intensified grain growth. The magnetic investigations further indicate that the sample T2 achieved the highest remnant magnetization, measuring 1.550 emu/g, revealing the accuracy of the sintering temperature. The magneto-dielectric investigations demonstrate the presence of multiferroicity in all samples, and came to the conclusion that sample T2 exhibits the highest magneto-dielectric response of 41.99 at 1.2 Tesla and a magneto-dielectric coefficient (γ) of around 0.7609 g2/emu2. Numerous metrics, including nyquist plots, impedance, electrical modulus, dielectric constant, and conductivity, were carefully examined in order to determine the electrical properties of the proposed sample. It was found that sample T2 produced the enhanced results and had the right temperature for the substance to develop.

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磁场对PLT/BNCFO复合材料介电性能的影响

本研究的主要目的是分析Pb1−x La x Ti1−x O 3 - (Ba1-3 x Nd2 x)4Co2Fe36O60 (x = 0.25)复合材料在T1-T3(分别为1100℃、1200℃、1300℃)不同温度下的磁性、介电和磁介电特性。为了查明u型六铁素体相的形成，引入了x射线衍射研究。SEM显微图显示，T2烧结试样的晶粒尺寸最大值和实验密度最大值为6.14 g/cm3，这是由于复合材料晶粒生长加剧所致。磁性研究进一步表明，T2样品的残余磁化强度最高，为1.550 emu/g，表明烧结温度的准确性。磁介电特性研究表明，所有样品均存在多铁性，并得出结论，样品T2在1.2特斯拉时的磁介电响应最高，为41.99，磁介电系数(γ)约为0.7609 g2/emu2。许多指标，包括奈奎斯特图，阻抗，电模量，介电常数和电导率，仔细检查，以确定所提出的样品的电学性质。发现样品T2产生了增强的结果，并且具有合适的温度来形成物质。

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

Emerging Materials Research MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.50

自引率

9.10%

发文量

期刊介绍： Materials Research is constantly evolving and correlations between process, structure, properties and performance which are application specific require expert understanding at the macro-, micro- and nano-scale. The ability to intelligently manipulate material properties and tailor them for desired applications is of constant interest and challenge within universities, national labs and industry.