为了比较不同形态的镧掺杂纳米锶铁氧体复合材料电磁性能的优劣,分别以溶胶-凝胶法制备了稀土镧掺杂纳米锶铁氧体( SrLa0.4Fe11.6O19)颗粒、原位复合技术制备了镧掺杂锶铁氧体/聚苯胺(SrLa0.4Fe11.6 O19/PANI)纳米复合颗粒,静电自组装法制备了镧掺杂锶铁氧体/聚苯乙烯磺酸钠( SrLa0.4Fe11.6O19/PSS)20、镧掺杂锶铁氧体/聚苯乙烯磺酸钠/聚苯胺( SrLa0.4Fe11.6 O19/PSS/PANI)8纳米复合多层膜.用XRD,FTIR,FETEM,XPS,矢量网络分析,VSM研究了镧掺杂锶铁氧体/聚苯胺纳米复合材料结构和性能.结果表明:在9.21GHz附近,材料的损耗角正切大小排序为:( SrLa0.4Fe11.6 O19/PSS/PANI)8复合多层膜＞SrLa0.4 Fe11.6O19/PANI复合颗粒＞SrLa0.4 Fe11.6 O19颗粒；(SrLa0.4Fe11.6O19/PSS/PANI)8复合多层薄膜比颗粒材料具有更高的饱和磁化强度Ms和矫顽力Hc.(SrLa0.4Fe11.6O19/PSS/PANI)8纳米复合多层膜具有优良的电磁性能.
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