Characterization of magnetic NiFe nanoparticles with controlled bimetallic composition
作者： Yan Liu , Yanxiu Chi , Shiyao Shan , Jun Yin , Jin Luo
DOI: 10.1016/J.JALLCOM.2013.10.203
关键词:
摘要: The exploration of the magnetic properties bimetallic alloy nanoparticles for various technological applications requires ability to control morphology, composition, and surface properties. In this report, we describe new findings an investigation morphology composition NiFe synthesized under controlled conditions. controllability over has been demonstrated by observation approximate linear relationship between in synthetic feeding. is consistent with fcc-type alloy, lattice strain increasing linearly iron content nanoparticles. exhibit remarkable resistance air oxidation comparison Ni or Fe particles. thermal stability as-synthesized are shown depend on composition. have also be sown display low saturation magnetization coercivity values nanoparticles, line superparamagnetic characteristic. These important implications design stable controllable applications.
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