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纳米FeNi合金因其独特的电磁及催化性能在磁记录、催化剂、吸波材料及生物医学等领域存在广阔的应用前景。由于材料的形貌对其性能有着重要的影响,本文重点介绍了不同形貌(球形、一维形貌、纳米点阵、纳米环、纳米片、纳米花、树枝状及无特定形貌)纳米FeNi合金的制备方法,叙述了各方法制备纳米FeNi合金的基本原理及调控规律,并对各方法的优缺点作出了简要评价。同时,对材料形貌与尺寸对其性能影响的机理及规律作出了简要说明,阐述了其形貌及结构特征对材料性质的影响,指出了不同形貌纳米FeNi合金的优势应用领域。最后,对该领域未来的研究方向作出了展望。
Due to their unique electromagnetic and catalytic properties, nano-FeNi alloys have broad application prospects in the fields of magnetic recording, catalysts, microwave absorbing materials and biomedicine. Due to the material morphology has an important impact on its performance, this paper focuses on the different morphologies (spherical, one-dimensional morphology, nanodistribution, nanorings, nanosheets, nano-flowers, dendrites and unspecified morphology) The preparation method of FeNi alloy is described. The basic principle and regulation rule of each FeNi alloy are described. The advantages and disadvantages of each method are briefly evaluated. At the same time, the mechanism and law of the effect of the morphology and size of the material on its properties are briefly described. The influence of the morphology and structure of the material on the properties of the material is expounded, and the predominant application fields of the nano-FeNi alloys with different morphologies are pointed out. Finally, the future research direction in this field is prospected.