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Current-Induced One-Dimensional Diffusion of Co Adatoms on Graphene Nanoribbons

Preis, Tobias ; Vrbica, Sasha ; Eroms, Jonathan ; Repp, Jascha ; van Ruitenbeek, Jan M.


One-dimensional diffusion of Co adatoms on graphene nanoribbons has been induced and investigated by means of scanning tunnelling microscopy (STM). To this end, the nanoribbons and the Co adatoms have been imaged before and after injecting current pulses into the nanoribbons, with the STM tip in direct contact with the ribbon. We observe current-induced motion of the Co atoms along the ...


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