Hyperfine Interactions in Graphene and Related Carbon Nanostructures
Oleg V. Yazyev
Abstract
Hyperfine interactions, magnetic interactions between the spins of electrons and nuclei, in graphene and related carbon nanostructures are studied. By using a combination of accurate first principles calculations on graphene fragments and statistical analysis, I show that both isotropic and dipolar hyperfine interactions can be accurately described in terms of the local electron spin distribution and atomic structure. A complete set of parameters describing the hyperfine interactions of C-13 and other nuclear spins at substitution impurities and edge terminations is determined.
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