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题名: The facile synthesis, crystallization behavior and magnetic property of FeNiP amorphous nanoparticles
作者: Yuan, J;  Li, CF;  Yang, B;  Liu, ZQ
发表日期: 2018-2-1
摘要: Amorphous FeNiP nanoparticles with homogeneous composition are synthesized by reduction of aqueous Fe2+ and Ni2+ with sodium borohydride (NaBH4) and hypophosphite at room temperature. These amorphous nanoparticles can be crystallized by heating up to 300 degrees C to form FeNi3 and Ni3P crystals. Ni phase appeared at the sintering temperature of 500 degrees C, and a special net structure was formed at 700 degrees C due to the joining and diffusion among different nanoparticles. At a higher temperature of 800 degrees C, phase transformation happened and only pure Ni nanospheres and monoclinic ((Ni, Fe)(3)[PO4](2)) nanorods can be observed, which should be governed by the long-range diffusion in the net structure. The amorphous FeNiP nanoparticles have excellent soft magnetic property with Ms of 13.2 emu/g and He of 0.7 Oe. However, the sintered mixing nanoparticles show varied magnetic properties due to the phase transformation and proportion change among different phases involved in.
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Recommended Citation:
Yuan, J,Li, CF,Yang, B,et al. The Facile Synthesis, Crystallization Behavior And Magnetic Property Of Fenip Amorphous Nanoparticles[J]. Materials Characterization,2018,136:94-99.

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