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• W1986500434 abstract "We show how hydrogenation of graphene nanoribbons at small concentrations can open venues toward carbon-based spintronics applications regardless of any specific edge termination or passivation of the nanoribbons. Density-functional theory calculations show that an adsorbed H atom induces a spin density on the surrounding $ensuremath{pi}$ orbitals whose symmetry and degree of localization depends on the distance to the edges of the nanoribbon. As expected for graphene-based systems, these induced magnetic moments interact ferromagnetically or antiferromagnetically depending on the relative adsorption graphene sublattice, but the magnitude of the interactions are found to strongly vary with the position of the H atoms relative to the edges. We also calculate, with the help of the Hubbard model, the transport properties of hydrogenated armchair semiconducting graphene nanoribbons in the diluted regime and show how the exchange coupling between H atoms can be exploited in the design of novel magnetoresistive devices." @default.
• W1986500434 created "2016-06-24" @default.
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• W1986500434 date "2010-04-05" @default.
• W1986500434 modified "2023-10-05" @default.
• W1986500434 title "Hydrogenated graphene nanoribbons for spintronics" @default.
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• W1986500434 doi "https://doi.org/10.1103/physrevb.81.165409" @default.
• W1986500434 hasPublicationYear "2010" @default.
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