用XRD, TEM, EDS及振动磁强计研究了凝胶-微乳液化学剪裁技术制备明胶包裹的复合纳米量级铁镍超细微粒时, 微乳液的水池半径R和Ni/Fe比等参数对微粒的组成及粒径分布和磁性的影响. 结果表明: 微粒为明胶包裹球形超细微粒. 微球的平均粒径为48～136 nm, 单个微粒的粒径2.3～3.4 nm. 每个复合微球中约有21～40个铁-镍粒子, 微粒有优良的磁性, 高的矫顽力. X射线衍射和X射线能谱分析表明有Ni-Fe合金相形成.
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