A sonochemical-assisted method for synthesis of BaFe12O19 nanoparticles and hard magnetic nanocomposites

被引:20
作者
Nabiyouni, Gholamreza [1 ]
Ghanbari, Davood [2 ]
Yousofnejad, Asieh [1 ]
Seraj, Minoo [1 ]
机构
[1] Arak Univ, Dept Phys, Fac Sci, Arak 3815688349, Iran
[2] Univ Kashan, Inst Nano Sci & Nano Technol, Kashan, Iran
关键词
Composites; Magnetic materials; Nanostructures;
D O I
10.1016/j.jiec.2013.12.030
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Hard magnetic BaFe12O19 (BaFe) nanoparticles were synthesized via a facile sonochemical-assisted reaction. BaFe nanoparticles were then added to acrylonitrile-butadiene-styrene (ABS) and cellulose acetate (CA) in order to make magnetic nanocomposites. Nanoparticles and nanocomposites were then characterized using X-ray diffraction, scanning electron microscopy and Fourier transform infrared spectroscopy. The magnetic properties of the samples were also investigated using an alternating gradient force magnetometer. The barium ferrite nanoparticles exhibit ferrimagnetic behaviour at room temperature, with a saturation magnetization of 53 emu/g and a coercivity of 2430 Oe. Distribution of the BaFe12O19 nanoparticles into the polymeric matrixes increases the coercivity dramatically. (C) 2013 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:3425 / 3429
页数:5
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