共沉淀法和燃烧法制备纳米Fe_3O_4及其磁性能研究  

Preparation and Magnetic Properties of Fe_3O_4 nanoparticles by Co-precipitation and Combustion Method

作　　者：高慧昀[1] 王晓丽[1] 

机构地区：[1]毕节学院物理科学与技术学院,贵州毕节551700

出　　处：《湿法冶金》2014年第3期229-231,共3页Hydrometallurgy of China

基　　金：毕节学院自然科学研究基金项目(20112021);毕节学院自然科学研究基金项目(20112024)

摘　　要：研究了用共沉淀法和燃烧法制备Fe3O4纳米颗粒,并利用X-射线衍射仪、扫描电子显微镜、投射电子显微镜、紫外-可见光谱扫描和震动样品测磁仪研究了Fe3O4的物理属性。结果表明,所制备的Fe3O4纳米颗粒具有单一磁铁矿物相,颗粒分布均匀,具有超顺磁性,常温下的饱和磁化强度高达63.5emu/g。Fe3 O4 nanoparticles were prepared by co-precipitation and combustion method .X-ray diffraction instrument ,scanning electron microscopy ,transmission electron microscopy ,UV visible spectroscopy and vibrating sample magnetometer were used to study the physical properties of Fe 3 O4 nanopartides .The results show that Fe3 O4 has single magnetite mineral phases ,homogeneous distuibuted sizes ,and superaramagnetism .Under the normal temperature ,the saturation magnetization of Fe3 O4 nanoparticles is as high as 63 .5 emu/g .

关 键 词：FE3O4 共沉淀法 燃烧法 制备 

分 类 号：TB383.1[一般工业技术—材料科学与工程]