采用溶胶-凝胶法制备了FeCoNi-SiO2合金颗粒体,利用透射电子显微镜(TEM)观察了嵌在SiO)2母体中的合金微粒体的形貌,利用X射线衍射(XRD)确定了样品的相结构;用振动样品磁强计(VSM)测定了样品的各种磁性参数.特别是详细研究了制备条件和合金含量对材料的磁学性质的影响.还研究了合金中的Ni含量对材料的磁学性质和合金微粒晶格常数的影响.
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