Investigating the structural, electrical, and magnetic characteristics of Nd-doped BiFeO3 synthesized via the solid-state reaction method

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research Pub Date : 2024-07-26 DOI:10.1557/s43578-024-01394-6

Monika Lohchab, Sunil Rohilla, S. K. Chaudhary, Jyoti Saini

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Abstract

In present work polycrystalline Bi_1−xNd_xFeO₃ (X = 0.05 to 0.20 at step of 0.05) is synthesized by solid-state reaction method. Present study focuses on effect of temperature, frequency and concentration of Neodymium on BiFeO₃ structural, dielectric, magnetic and ferroelectric properties. Crystalline nature of samples confirmed by XRD. Rietveld refinement of XRD data for Bi_1−xNd_xFeO₃ shows structural transition for X = 0.20. Dielectric study shows very high value of dielectric constant i.e. (10⁵) and shows improvement in values of dielectric constant with increasing Nd amount and observed very low value (less than 20) for dielectric loss for all the samples. Magnetic study shows low value for Retentivity and maximum for X = 0.15 (0.0386emu/gm). Performed ferroelectric analysis shows that P_r has declining nature with increasing Nd concentration for all frequencies and minimum value of P_r is obtained for X = 0.15. All the properties like dielectric, magnetic and ferroelectric shows a transition in regular trend for X = 0.20.

Graphical Abstract

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研究固态反应法合成的掺钕 BiFeO3 的结构、电学和磁学特性

本研究采用固态反应法合成了多晶 Bi1-xNdxFeO3（X = 0.05 至 0.20，步长为 0.05）。本研究的重点是温度、频率和钕浓度对 BiFeO3 结构、介电、磁性和铁电特性的影响。样品的结晶性质由 XRD 证实。对 Bi1-xNdxFeO3 的 XRD 数据进行的里特维尔德细化显示了 X = 0.20 时的结构转变。介电研究显示介电常数的值非常高，即 105，而且随着钕含量的增加，介电常数的值也有所提高。磁性研究显示，保持率值较低，X = 0.15 时达到最大值（0.0386emu/gm）。铁电分析表明，在所有频率下，随着钕浓度的增加，Pr 值呈下降趋势，X = 0.15 时 Pr 值最小。X = 0.20 时，介电、磁性和铁电等所有特性都呈现出规律的过渡趋势。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory