Tuning the Multiferroism and Magnetoelectric Coupling of Bismuth Ferrite via Substitutional Defects by Er and Transition Metals (Nb/Zr/Y)

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2023-08-29 DOI:10.1007/s10948-023-06609-1

Divya Lakshmi S., I. B. Shameem Banu, R. Rajesh, Mohamad Hafiz Mamat, G. V. Vijayaraghavan

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Abstract

The impact of partial substitution of erbium and transition metal (zirconium/yttrium/niobium) at bismuth and iron site on multiferroism and magnetoelectric coupling of BFO was studied. Three samples Bi_0.95Er_0.05Fe_0.98X_0.02O₃ (where X = Nb/Zr/Y) were prepared by sol–gel method. The structural, morphological, and elemental aspects of the samples were scrutinized. The ferroelectric, magnetic, and magnetoelectric properties of the samples were recorded. The combined effect of erbium and zirconium offered better saturated ferroelectric loop with greater remnant polarization value (0.74 µC/cm²). On including erbium and zirconium inside bismuth ferrite, the magnetization of BFO got improved very much with remanence value (0.095 emu/g). The combination of erbium and zirconium has intensified the magneto electric behavior in the bismuth ferrite. Interestingly, zirconium inclusion inside the BFO system instead of niobium and yttrium has provoked all the multifunctional aspects uniformly.

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通过Er和过渡金属（Nb/Zr/Y）的取代缺陷调节铋铁氧体的多铁磁性和磁电耦合

研究了铒和过渡金属（锆/钇/铌）在铋和铁位置的部分取代对BFO的多铁性和磁电耦合的影响。三个样品Bi0.95Er0.05Fe0.98X0.02O3（其中X = Nb/Zr/Y）。对样品的结构、形态和元素方面进行了仔细检查。记录了样品的铁电、磁性和磁电性质。铒和锆的组合效应提供了更好的饱和铁电环，具有更大的剩余极化值（0.74µC/cm2）。在铋铁氧体中加入铒和锆后，BFO的磁化强度得到了很大的提高，剩磁值（0.095emu/g）。铒和锆组合增强了铋铁氧体内的磁电行为。有趣的是，BFO系统中的锆包裹体代替了铌和钇，均匀地激发了所有的多功能方面。

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.