Ferrite oxide(Fe3O4)nanoparticles have shown great potential in many fields such as biomedicine,environmental management,ener-gy and information technology in recent years due to their unique magnetic properties,excellent chemical stability and good biocompatibility.In this paper,the preparation methods of Fe3O4 nanoparticles including co-precipitation,thermal decomposition,microemulsion and solvothermal method are mainly discussed.This paper discusses the application of Fe3O4 nanoparticles in the fields of medicine,environmental protection,energy and information technology.
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