Investigating the influence of magnetization intensity on magnetoelectric coupling in MnxZn1-xFe2O4-PbZr0.5Ti0.5O3 multiferroic liquids

IF 2.5 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Magnetism and Magnetic Materials Pub Date : 2025-06-21 DOI:10.1016/j.jmmm.2025.173309

Haowen Mu , Shubao Yang , Weihao Wu , Hong Ao , Gang Meng , Rongli Gao , Xiaoling Deng , Wei Cai

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Abstract

The optoelectronic detectors made of multiferroic materials provide more possibilities for clinical diagnosis. In this study, Mn_xZn₁_-xFe₂O₄ (x = 0, 0.25, 0.5, 0.75, 1) magnetic nanoparticles were prepared using a solid-phase method, to investigate how the magnetization effect the magnetoelectric coupling effect, Mn_xZn₁_-xFe₂O₄-PbZr_0.5Ti_0.5O₃ multiferroic fluids were obtained by ball milling. Results show that as the concentration of Mn²⁺ ions (x) increases, the magnetization strength gradually increases, reaching a maximum saturation magnetization of 81.83 emu/g when x = 1. Additionally, the dielectric constant of the Mn_0.5Zn_0.5Fe₂O₄-PZT (x = 0.5) multiferroic fluids reaches a maximum value of 4.67. Under the application of an external magnetic field, the dielectric constant variation rate reaches a maximum of 78.43 % when x = 0.75. Ferroelectric performance studies show that when x = 0.75, the remnant polarization strength is 8.11 nC/cm², and the saturation polarization strength is 15.84 nC/cm². After applying a magnetic field, the remnant polarization strength variation rate reaches a maximum of 56.12 % at x = 0.5, yielding a coupling coefficient of 11.49 V/(cm∙Oe), demonstrating excellent magnetoelectric coupling performance. This study reveals the significant impact of magnetization strength on the performance of magnetoelectric composite multiferroic fluids, providing insights for further optimization of the magnetoelectric coupling coefficient.

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研究磁化强度对MnxZn1-xFe2O4-PbZr0.5Ti0.5O3多铁质液体磁电耦合的影响

多铁材料制成的光电探测器为临床诊断提供了更多的可能性。本研究采用固相法制备了MnxZn1-xFe2O4 （x = 0, 0.25, 0.5, 0.75, 1）磁性纳米颗粒，研究了磁化对磁电耦合效应的影响，采用球磨法制备了MnxZn1-xFe2O4- pbzr0.5 ti0.5 o3多铁质流体。结果表明：随着Mn2+离子浓度(x)的增加，磁化强度逐渐增大，当x = 1时达到最大饱和磁化强度81.83 emu/g；此外，Mn0.5Zn0.5Fe2O4-PZT （x = 0.5）多铁质流体的介电常数达到最大值4.67。外加磁场作用下，介电常数变化率在x = 0.75时达到最大值78.43%。铁电性能研究表明，当x = 0.75时，残余极化强度为8.11 nC/cm2，饱和极化强度为15.84 nC/cm2。施加磁场后，残余极化强度变化率在x = 0.5时达到最大值56.12%，耦合系数为11.49 V/(cm∙Oe)，表现出优异的磁电耦合性能。该研究揭示了磁化强度对磁电复合多铁性流体性能的显著影响，为进一步优化磁电耦合系数提供了见解。

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来源期刊

Journal of Magnetism and Magnetic Materials 物理-材料科学：综合

CiteScore

5.30

自引率

11.10%

发文量

1149

审稿时长

59 days

期刊介绍： The Journal of Magnetism and Magnetic Materials provides an important forum for the disclosure and discussion of original contributions covering the whole spectrum of topics, from basic magnetism to the technology and applications of magnetic materials. The journal encourages greater interaction between the basic and applied sub-disciplines of magnetism with comprehensive review articles, in addition to full-length contributions. In addition, other categories of contributions are welcome, including Critical Focused issues, Current Perspectives and Outreach to the General Public. Main Categories: Full-length articles: Technically original research documents that report results of value to the communities that comprise the journal audience. The link between chemical, structural and microstructural properties on the one hand and magnetic properties on the other hand are encouraged. In addition to general topics covering all areas of magnetism and magnetic materials, the full-length articles also include three sub-sections, focusing on Nanomagnetism, Spintronics and Applications. The sub-section on Nanomagnetism contains articles on magnetic nanoparticles, nanowires, thin films, 2D materials and other nanoscale magnetic materials and their applications. The sub-section on Spintronics contains articles on magnetoresistance, magnetoimpedance, magneto-optical phenomena, Micro-Electro-Mechanical Systems (MEMS), and other topics related to spin current control and magneto-transport phenomena. The sub-section on Applications display papers that focus on applications of magnetic materials. The applications need to show a connection to magnetism. Review articles: Review articles organize, clarify, and summarize existing major works in the areas covered by the Journal and provide comprehensive citations to the full spectrum of relevant literature.