Journal
NANOTECHNOLOGY
Volume 18, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/18/3/035602
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One-step synthesis of carbon-encapsulated Fe3O4 core/shell composites is reported. The Fe3O4 cores were formed via the reduction of Fe3+ by glucose under alkaline conditions obtained by the decomposition of urea. The amorphous carbon shells were carbonized from glucose. A possible formation mechanism for the Fe3O4 @C composite was discussed. In order to characterize these Fe3O4 @C core-shell composites, high-resolution transmission electron microscopy (HR-TEM), x-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), x-ray photoelectron spectroscopy (XPS) and a superconducting quantum interference device (SQUID) magnetometer were employed to characterize the sample obtained using the above method.
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