Reducing the annealing heating rate sensitivity of Fe83.5Si3B10P2Cu1.5 soft magnetic nanocrystalline alloy by adjusting the B/P ratio

IF 3 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetism and Magnetic Materials Pub Date : 2025-07-01 Epub Date: 2025-03-29 DOI:10.1016/j.jmmm.2025.173005

T.X. Huang , Q. Yan , F.G. Chen , Aditya Jain , H.Z. Zhou , Y.G. Wang

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Abstract

The effects of B/P ratio on microstructure, crystallization behavior and soft magnetic characteristics of Fe_83.5Si₃B_10-_xP₂₊_xCu_1.5 (x = 0, 3, 6 & 8 at.%) amorphous alloys were studied. The results of Mössbauer spectra indicate that B/P ratio significantly impact the microstructure of amorphous alloy. A decrease in the B/P ratio facilitates the formation of an amorphous precursor containing more α-Fe-like structure and Cu(P)-clusters. As the B/P ratio reduces, the saturation magnetic induction (B_s) and the coercivity (H_c) of the as-quenched Fe_83.5Si₃B_10-_xP₂₊_xCu_1.5 amorphous alloy decreases. After annealing with a low heating rate (1 °C/s), the Fe_83.5Si₃B₄P₈Cu_1.5 alloy shows a low H_c (≤ 10 A/m) in a broad temperature range. With the decrease of the B/P ratio, the sensitivity of the soft magnetic properties of the nanocrystalline alloys to the annealing heating rate decreases.

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通过调整B/P比降低Fe83.5Si3B10P2Cu1.5软磁纳米晶合金的退火升温速率敏感性

B/P比对Fe83.5Si3B10-xP2+xCu1.5 (x = 0,3,6 &；研究了8种at.%)非晶合金。Mössbauer光谱结果表明，B/P比对非晶合金的组织有显著影响。减小B/P比有利于形成含有更多α- fe类结构和Cu(P)簇的非晶前驱体。随着B/P比的减小，淬火态Fe83.5Si3B10-xP2+xCu1.5非晶合金的饱和磁感应强度（Bs）和矫顽力（Hc）减小。Fe83.5Si3B4P8Cu1.5合金经低升温速率（1℃/s）退火后，在较宽的温度范围内表现出低Hc（≤10 a /m）。随着B/P比的降低，纳米晶合金的软磁性能对退火加热速率的敏感性降低。

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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.