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Study on the Synthesis and Properties of Superparamagnetic Monodisperse Fe3O4 Nanoparticles

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Author(s): JIANG Wen,WEN Xian-Tao,WANG Wei,WU Yao,GU Zhong-Wei

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 24;
Issue: 4;
Start page: 727;
Date: 2009;
Original page

Keywords: magnetite nanoparticles | superparamagnetic | monodisperse

ABSTRACT
There are extensive applications for superparamagnetic Fe3O4 nanoparticles in the field of biomaterials. Superparamagnetic magnetite nanoparticles coated with oleic acid were prepared in the refluxing mixed system of water, ethanol alcohol and toluene at 74¡䬠The effect of the OH- concentration on the surface properties, size, dispersion and magnetic properties of magnetite nanoparticles was studied systematically. The properties of magnetite nanoparticles were tested by X-ray diffraction (XRD), fourier transform infrared (FTIR), dynamic light scattering (DLS), transmission electron microscopy (TEM) and vibrating sample magnetometer (VSM). The results show that when the molar ratio of NaOH to Fe(¢

Tango Jona
Tangokurs Rapperswil-Jona

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