Graphite Encapsulated Iron Nanoparticles Produced by Ball-Milling and Annealing a Mixture of Expanded Graphite and Iron Powders

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Graphite encapsulated iron nanoparticles were prepared by ball-milling and subsequently annealing a mixture of expanded graphite and iron powders. The nanoparticles were characterized by transmission electron microscope (TEM) and X-ray diffraction (XRD). The formation mechanism of the nanoparticles was discussed. The results show that the nanoparticles have a size range of 20-150 nm, and graphite and iron in the nanoparticles have a higher crystallinity

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387-390

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March 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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