Assembled Fe3O4 nanoparticles on graphene for enhanced electromagnetic wave losses

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DOIResolve DOI: http://doi.org/10.1063/1.4758931
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TypeArticle
Journal titleApplied Physics Letters
ISSN0003-6951
Volume101
Issue153108
AbstractWe present an one-step procedure for the synthesis of hybrid Fe3O4 nanoparticles/graphene composite with self-assemble superlattices of Fe3O4nanoparticles. We find that the Fe3O4/graphene nanocomposite exhibits both enhanced dielectric losses and magnetic losses at 2–18 GHz, resulting from the interfacial polarizations between the Fe3O4nanoparticles and the graphene, as well as the coupling between the neighbouring Fe3O4nanoparticles. Theoretical simulations uncover the origins of the electromagnetic losses of hybrid Fe3O4/graphene nanocomposite and provide additional insight into the microscopic dielectric polarization mechanism.
Publication date
LanguageEnglish
AffiliationMedical Devices; National Research Council Canada
Peer reviewedYes
NPARC number21269059
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Record identifierac00ff83-c1cc-4b20-989f-e0c7aa38baa0
Record created2013-12-04
Record modified2016-05-09
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