利用化学法使化合物NiCl2在室温和氩气气氛中被NaBH4溶液还原,制备出具有纳米尺度的Ni颗粒,并在其表面包覆一层锰氧化物膜,从而制备出具有核/壳结构的铁磁/反铁磁颗粒.在Ni颗粒的合成中加入了分散剂聚丙烯酸(PAA)以避免Ni颗粒团聚;应用热处理手段,对核壳颗粒进行改性.分别通过XRD、TEM、SEM测量手段,对它们进行结构分析,并对这种铁磁/反铁磁的核壳结构样品进行了磁性研究.
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