Surface modification of Fe3O4 nanoparticles and their magnetic properties

被引：16
|
作者：
Yan, Hao [1 ]
Zhang, Jian-cheng [1 ]
You, Chen-xia [1 ]
Song, Zhen-wei [1 ]
Yu, Ben-wei [1 ]
Shen, Yue [1 ]
机构：
[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2009年 / 16卷 / 02期
基金：
中国国家自然科学基金;
关键词：
surfactant; magnetite nanoparticle; hydrothermal; particle size; dispersion; magnetism; ULTRASOUND RADIATION; NANOCRYSTALS; PARTICLES;
D O I：
10.1016/S1674-4799(09)60038-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe3O4 magnetic nanoparticles were synthesized by the hydrothermal method, and the influences of the surfactant sodium bis(2-ethylhexyl) sulfosuccinate (AOT) on the particles were investigated. The structure, morphology, and magnetic properties of the products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), and vibrating sample magnetometer (VSM). It is confirmed that the as-prepared nanoparticles have been modified by using the surfactant during the synthesis process. The amount of the surfactant has an effect on the size, the dispersal, and the magnetic properties of the particles. Besides, the mechanisms of the influences were also discussed.
引用
收藏
页码：226 / 229
页数：4
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