fe掺杂对Co50V34Ga16 Heusler合金马氏体转变的影响

IF 3 3区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetism and Magnetic Materials Pub Date : 2025-03-15 Epub Date: 2025-01-16 DOI:10.1016/j.jmmm.2025.172805

Junwei Tan , Yakun Liu , Yuetong Qian , Hongwei Liu , Wenying Yu , Tao Zhou , Zhe Li , Xiaodong Si , Yongsheng Liu

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引用次数: 0

摘要

采用电弧熔炼法制备了Co50FexV34-xGa16 (x = 1,2,3) Heusler合金。合金在室温附近发生马氏体相变。由于铁的取代，合金更容易稳定在低温马氏体相。热磁化曲线表明，随着铁含量的增加，马氏体相变温度升高，马氏体相变熵减小。此外，合金表现出形状记忆，应变值随着Fe含量的增加而减小，当x = 1时，应变值最大值为~ 0.32%。

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The effect of Fe-doping on martensitic transformation for Co50V34Ga16 Heusler alloys

In this work, the Co₅₀Fe_xV_34-_xGa₁₆ (x = 1, 2, 3) Heusler alloys were prepared by arc melting. The martensitic transformation near room temperature was excited in the alloys. Owing to the Fe substitution, the alloys are more likely to stabilize in the low-temperature martensitic phase. Thermo-magnetization curves demonstrate that martensitic transformation temperatures increase and martensitic transformation entropy decreases with increasing Fe content. Additionally, the alloy exhibits a shape memory, and the value of strain decreases with increasing Fe content, with a maximum value of ∼ 0.32 % as x = 1.

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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.