Synthesis,characterization and magnetic properties of near monodisperse Fe_3O_4 sub-microspheres

查看全文 作　　者：ZHANG [1]JunHao;KONG [2]QingHong;LU [1]WeiLiang;LIU [1]He

机构地区：[1]School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;[2]Department of Safety Technology and Engineering, University of Jiangsu, Zhenjiang 212013, China

出　　处：《Chinese Science Bulletin》索引2009年第54卷第14期,共6页

基　　金：Supported by the Start Fund for Advanced Professional of Jiangsu University of Science and Technology (Grant No.35060810);Jiangsu University (Grant No.07JDG017) 摘　　要：Near monodisperse Fe3O4 sub-microspheres with an average diameter of 170 nm have been synthesized by a solvothermal reduction method, using K3[Fe(CN)6] as the raw material in the absence of any surfactants at 200℃ for 24 h. The products were detected by XRD, FESEM, TEM, and XPS. The investigation of the reaction parameters indicates that ethylene glycol plays a key role both as reducing agent and solvent. In addition, the reaction time and temperature also have important influences on the final product. The hysteresis loop of the near monodisperse Fe3O4 sub-microspheres shows a ferromagnetic behavior with saturation magnetization of 60.8 emu/g and coercivity of 124.7 Oe. 关键词：FE3O4 纳米合成单分散磁性能透射电子显微镜表征饱和磁化强度最终产品

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Synthesis,characterization and magnetic properties of near monodisperse Fe_3O_4 sub-microspheres

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