Novel corrosion resistant fluorine-silicon colloidal magnetic fluid: Preparation, characterization and molecular dynamics simulation

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

Journal of Magnetism and Magnetic Materials Pub Date : 2025-05-12 DOI:10.1016/j.jmmm.2025.173179

Jingjing Lu , Hongchao Cui , Yihang Cheng , Heng Zhou , Zhiqi Liang , Deicai Li

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Abstract

A novel fluorine-silicon colloidal magnetic fluid was prepared using the chemical coprecipitation method and a fluorosilane coupling agent as a surfactant. Material Studio was used to conduct molecular motion simulations of magnetic nanoparticles coated by surfactant, exploring the configuration and energy changes of surfactant molecules on the surface of Fe₃O₄. In this study, XRD, FTIR, TEM, VSM, XPS, BET, Raman, Zeta potential, DLS, and TG methods were used to characterize the morphology, particle size, and other aspects of the coated Fe₃O₄ magnetic nanoparticles. The particle size of the coated magnetic nanoparticles is 11.6 nm, with a saturation magnetization of 65.9 emu/g. The saturation magnetization of the prepared magnetic fluid is 10.2 emu/g. The prepared magnetic nanoparticles and fluorine-silicone magnetic fluid can have certain acid and alkali resistance.

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新型耐腐蚀氟硅胶体磁流体：制备、表征及分子动力学模拟

以氟硅烷偶联剂为表面活性剂，采用化学共沉淀法制备了新型的氟硅胶体磁流体。利用Material Studio对表面活性剂包覆磁性纳米颗粒进行分子运动模拟，探索表面活性剂分子在Fe3O4表面的构型和能量变化。本研究采用XRD、FTIR、TEM、VSM、XPS、BET、Raman、Zeta电位、DLS和TG等方法对包覆Fe3O4磁性纳米颗粒的形貌、粒径等方面进行了表征。包覆的磁性纳米颗粒粒径为11.6 nm，饱和磁化强度为65.9 emu/g。制备的磁流体的饱和磁化强度为10.2 emu/g。制备的磁性纳米颗粒和氟硅磁流体具有一定的耐酸碱性能。

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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.