Journal
POWDER TECHNOLOGY
Volume 232, Issue -, Pages 87-92Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.powtec.2012.08.015
Keywords
SrCoxFe12-xO19; Magnetic material; Sintering; Coprecipitation; X-ray diffraction
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Funding
- Chongqing Science and Technology Commission [2010AC7180, 2011AC4070]
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The composites SrCoxFe12-xO19(x = 0-0.3) were prepared by coprecipitation high-temperature sintering method with low-cost reagents. The structures and properties of SrCoxFe12-xO19 were characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM) techniques. There were hard magnetic phase (SrFe12O19) and soft magnetic phase (CoFe2O4) in SrCoxFe12-xO19(x = 0.05-0.3). The saturation magnetization of SrCoxFe12-xO19(x = 0.3) was larger than those of SrCoxFe12-xO19(x <= 0.2). The synthesized composites were fit to act as good magnetic substrate of catalysts. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
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