期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 20, 期 6, 页码 4119-4123出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.01.010
关键词
PS; CoFe2O4; Sonochemical method; Nanocomposite
资金
- Islamic Azad University Zahedan Branch Research
CoFe2O4 (CoFe) nanoparticles were synthesized via a facile surfactant-free sonochemical reaction. For preparation of magnetic polymeric films, CoFe2O4 nanoparticles were added to polystyrene (PS). Nanoparticles were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Magnetic properties of the samples were investigated using an alternating gradient force magnetometer (AGFM). CoFe2O4 nanoparticles exhibit a ferromagnetic behaviour with a saturation magnetization of 62 emu/g and a coercivity of 640 Oe at room temperature. By preparing magnetic films the coercivity is increased. The coercivity of PS/CoFe2O4 (10%) nanocomposites is higher than that obtained for PS/CoFe2O4 (30%). (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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