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Preparation, structure, and magnetic properties of cobalt nanoparticles in carbon fibers
Published online by Cambridge University Press: 31 January 2011
Abstract
Samples of Co clusters embedded in a carbon fiber matrix have been prepared using a heat-treatment method of cellulose fibers with ion-absorbed cobalt cations. Depending on the heat-treatment temperature used, different cluster sizes have been obtained, ranging from superparamagnetic clusters (average size 10 nm) to ferromagnetic nanoparticles (size between 30 and 200 nm). The formation of graphite planes surrounding the nanoparticles has been observed.
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- Copyright © Materials Research Society 2001
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