Synthesis and Characterization of Superparamagntic Fe3O4 Nanoparticles

被引：2

作者：

Sun, Dehui ^{[1
]}

Wu, Jiao ^{[1
]}

Zhang, Jilin ^{[2
]}

机构：

[1] Changchun Inst Technol, Changchun 130012, Jilin, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Jilin, Peoples R China

来源：

ADVANCED ENGINEERING MATERIALS III, PTS 1-3 | 2013年 / 750-752卷

基金：

美国国家科学基金会;

关键词：

Superparamagntic; Fe3O4; Nanoparticle; Solvothermal Method; MICROSPHERES;

D O I：

10.4028/www.scientific.net/AMR.750-752.340

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We synthesized Fe3O4 nanoparticles using a solvent thermal method and characterized the morphologies, structures, surface properties, thermal stability and magnetism of the products by Field emission scanning electron microscopy (FE-SEM), Powder X-ray diffraction (XRD), Fourier transform infrared (FTIR), thermal gravimetric analysis (TGA) and vibrating sample magnetometer (VSM). The experimental results showed that the Fe3O4 nanoparticles have a tunable average size range from 55 nm to 85 nm. Their diameters decreased with increase of precursor FeCl2 center dot 4H(2)O concentration or increase of the reaction time under other reaction conditions held constant. The XRD pattern confirmed that the Fe3O4 nanoparticles belong to cubic structure. Magnetic investigation reveals that the Fe3O4 nanoparticles have higher saturation magnetization and negligible coercivity at room temperature.

引用

页码：340 / +

页数：2

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