Synthesis and Characterization of Superparamagnetic Fe3O4 Nanoparticles Modified with Oleic Acid

文献类型: 外文期刊

第一作者: Wang, Fei

作者: Wang, Fei;Yin, Chan;Wei, Xiaoyi;Wang, Qinghuang;Cui, Lihong;Wang, Yihong;Li, Te;Li, Jihua;Wang, Qinghuang;Li, Jihua;Wang, Yihong

作者机构:

关键词: Fe3O4 nanoparticle;oleic acid;surface modification;superparamagnetic;magnetization saturation value (Ms)

期刊名称:INTEGRATED FERROELECTRICS ( 影响因子:0.836; 五年影响因子:0.787 )

ISSN: 1058-4587

年卷期: 2014 年 153 卷 1 期

页码:

收录情况: SCI

摘要: The effect of oleic acid on the superparamagnetic Fe3O4 nanoparticles has been investigated in this study. The addition of oleic acid could improve the particle size distribution by the formed protective layer on the surface of Fe3O4 nanoparticles. All of Fe3O4 coated with oleic acid displayed superparamagnetic characterizations, and the interaction between two competing mechanisms, agglomeration and chelation, was discussed to explain the function of oleic acid. The optimal addition of oleic acid was fixed to be 4 wt%, which obtained the highest magnetization saturation value (Ms) of 82.066 emu/g.

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