We report on the transport and magnetic properties of graphene annealed at 800 °C under an Ar atmosphere. Temperature dependence of resistivity of the annealed graphene shows that the ferromagnetic Curie temperature can be observed from the magnetoimpurity model. The Curie temperature is 220 K for the annealed graphene.
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| http://dx.doi.org/10.1039/c4cc05703a | DOI Listing |
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