Synthesis and Characterization of MFe2O4(M=Co,Ni) Nanoparticles

被引：4

作者：

Sun, Dehui ^{[1
]}

Zhang, Jilin ^{[2
]}

Sun, Dexin ^{[3
]}

机构：

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

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

[3] Changchun Inst Engn Technol, Base Dept, Changchun PT-130117, Peoples R China

来源：

APPLICATION OF CHEMICAL ENGINEERING, PTS 1-3 | 2011年 / 236-238卷

关键词：

nickel ferrite; cobalt ferrite; Nanoparticle; EDTA; Magnetism;

D O I：

10.4028/www.scientific.net/AMR.236-238.1893

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The magnetic MFe2O4 (M=Co, Ni) nanoparticles are synthesized using a hydrothermal synthesis method in ethylene glycol (EG) solution. Their morphologies, structures, surface properties and magnetism are characterized by field emission scanning electron microscopy (FE-SEM), powder X-ray diffraction (XRD), fourier transform infrared (FTIR) absorption spectra, and vibrating sample magnetometer (VSM), respectively. The nickel ferrite and the cobalt ferrite samples are nearly spherical and homogeneous nanoparticles with average size range of about 90 nm (NiFe2O4) and 30 nm (CoFe2O4). XRD patterns confirm that the NiFe2O4 samples belong to the cubic structure and the CoFe2O4 samples are the rhombohedral structure. The NiFe2O4 nanoparticles are superparamagnetic at room temperature, while the CoFe2O4 nanoparticles are sub-ferromagnetic at room temperature and possess higher saturation magnetization.

引用

页码：1893 / +

页数：2

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