以氯化铁(FeCl3·6H2O)和氨水(NH3·H2O)为原料,以十六烷基三甲基溴化铵(CTAB)为表面活性剂,采用共沉淀法制备了氧化铁磁性微球.利用X射线衍射(XRD)、扫描电镜(SEM)和磁性测量系统(SQUID-VSM)对样品成分、形貌和磁学性能进行了表征分析.结果表明:所得氧化铁磁性微球为类球形斜方六面体结构,其粒径大小在0.8-1.Oum左右,剩余磁感应强度为0.13emu/g,矫顽力为1960Oe,表现出一定的铁磁性.
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