Substitution Effect of Er3+on Structural, Magnetic, and Optical Properties of Perovskite BiFeO3

IF 2.5 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-06-05 DOI:10.1007/s11664-024-11199-2

Pankaj Kumar, Sourabh Sharma, Sonia, Harita Kumari, Ashok Kumar, Priya Saharan, O. P. Thakur

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Abstract

This study aims to enhance the multiferroic properties of bismuth ferrite (BFO) by investigating the effects of substitution with erbium (Er) on the material’s structural, optical, and magnetic characteristics. Er-substituted bismuth ferrite (Bi_1−xEr_xFeO₃) (x = 0, 0.04, 0.08, 0.12, 0.16) nanoparticles (NPs) were synthesized via the very cost-effective Pechini modified sol–gel method followed by auto-combustion. X-ray diffraction (XRD) patterns confirmed the crystallinity, structure, and purity of the phase, revealing the formation of single-phase materials. The bond structure of the prepared samples was examined using Fourier transform infrared (FTIR) spectroscopy, confirming the significant stretching and bending of bonds of perovskites. Electron paramagnetic resonance (EPR) findings suggested a broadening of the signal as well as a shift of the center of resonance to lower fields. The experimental findings revealed that Er doping has a significant effect on the magnetic ordering and saturation magnetization of BiFeO₃. In addition, UV–Vis spectroscopy demonstrated that the energy bandgap in the prepared samples varies from 2.13 eV to 1.71 eV. This research contributes to an understanding of the enhanced structural, magnetic, and optical properties of Er-substituted BFO nanoparticles, which is useful for designing and developing multiferroic materials with enhanced magnetic functionality for next-generation magnetoelectric devices, optoelectronic devices, and photocatalysts.

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Er3+ 对包晶 BiFeO3 结构、磁性和光学特性的替代效应

本研究旨在通过研究铒（Er）取代铋铁氧体（BFO）对材料结构、光学和磁性的影响，来增强BFO的多铁性。采用极具成本效益的Pechini修饰溶胶-凝胶法合成了铒取代铋铁氧体（Bi1−xErxFeO3）（x = 0,0.04, 0.08, 0.12, 0.16）纳米粒子（NPs）。x射线衍射（XRD）图证实了相的结晶度、结构和纯度，揭示了单相材料的形成。利用傅里叶变换红外光谱（FTIR）检测了制备样品的键结构，证实了钙钛矿键的明显拉伸和弯曲。电子顺磁共振（EPR）结果表明，信号的展宽以及共振中心向低场的移动。实验结果表明，铒掺杂对BiFeO3的磁有序度和饱和磁化强度有显著影响。紫外可见光谱分析表明，所制备样品的能带在2.13 ~ 1.71 eV之间变化。本研究有助于理解铒取代BFO纳米颗粒增强的结构、磁性和光学性质，有助于设计和开发具有增强磁性功能的多铁性材料，用于下一代磁电器件、光电器件和光催化剂。

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来源期刊

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

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.