采用热法合成磁性Fe3O4纳米颗粒,通过精细调控实验条件能对其形状和大小进行有效控制.采用X射线衍射仪、透射电镜、振动样品磁强计等对Fe3O4纳米颗粒的成分、形貌及磁性等进行了表征测试.结果表明,Fe3O4纳米颗粒的饱和磁化强度为62.5emu/g.最后探讨了Fe3O4纳米颗粒的合成机理.
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