Magnetic Property of α-Fe2O3-GO Nanocomposite

被引：23
|
作者：
Zolghadr, S. [1 ]
Kimiagar, S. [2 ]
Davarpanah, A. M. [3 ]
机构：
[1] Islamic Azad Univ, Phys Dept, Fac Sci, Cent Tehran Branch, Tehran 1467686831, Iran
[2] Islamic Azad Univ, Phys Dept, Fac Sci, NRL,Cent Tehran Branch, Tehran 1467686831, Iran
[3] Univ Sistan & Baluchestan, Dept Phys, Fac Sci, Zahedan 4584598167, Iran
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2017年 / 53卷 / 12期
关键词：
Fe2o3-GO; ferromagnetism; hydrothermal; superparamagnetic; HYDROTHERMAL SYNTHESIS; OXIDE NANOCOMPOSITES; LASER-ABLATION; GRAPHENE; NANOPARTICLES; FABRICATION; GAMMA-FE2O3; COMPOSITE; ELECTRODE; ANODE;
D O I：
10.1109/TMAG.2017.2733503
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Graphene oxide (GO) was prepared using the Hummers' method. alpha-Fe2O3-GO with different amount of GO was successfully synthesized by a simple hydrothermal method. The properties of the samples were investigated by Fourier transform infrared spectroscopy, UV-Vis spectrophotometer, X-ray diffraction, field emission scanning electron microscopy, and magnetic measurement by the vibrating sample magnetometer (VSM) technique at room temperature. GO nanosheets operated as supporting materials for attaching the alpha-Fe2O3 particles. The average crystallite sizes of the alpha-Fe(2)O(3)and alpha-Fe2O3-GO samples were 34.5 and 48.3 nm, respectively. The VSM results showed ferromagnetic property for GO. By increasing the amount of GO in the alpha-Fe2O3-GO nanocomposites, the paramagnetic and then superparamagnetic properties were observed. The samples had good stability after one year.
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页数：6
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