Abstract
Fine-tuning of magnetic states via an understanding of spin injection on the edge of graphene nanoribbons should allow for greater flexibility of the design of graphene-based spintronics. On the basis of calculations, we predict that coupling constants of the exchange interaction in the series of nitroxide-functionalized ribbon compounds are antiferromagnetic across the ribbons with values 0.2–0.4 cm−1 and ferromagnetic along the ribbon with absolute values from 0.05 to 0.07 cm−1. Such interacting nitroxide groups induce spin polarization of the edge states of stable graphene nanoribbons.
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Acknowledgments
This work was financially supported by the Russian Science Foundation (grant 18-13-00173). ET is grateful to Dr. D. Stass for discussions regarding this work.
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Morozov, V., Tretyakov, E. Spin polarization in graphene nanoribbons functionalized with nitroxide. J Mol Model 25, 58 (2019). https://doi.org/10.1007/s00894-019-3944-4
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DOI: https://doi.org/10.1007/s00894-019-3944-4