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Magnetic anisotropy and engineering of magnetic behavior of the edges in Co embedded graphene nanoribbons
Authors:Lisenkov Sergey  Andriotis Antonis N  Menon Madhu
Institution:Department of Physics, University of South Florida, Tampa, Florida 33620-5700, USA. slisenk@cas.usf.edu
Abstract:Using first-principles calculations, we demonstrate the existence of anisotropic ferromagnetic interactions in Co embedded graphene nanoribbons (GNRs). Spin polarization of the edge states is found to alter significantly compared to the metal-free cases. Our findings can all be well-justified as the output of the interplay between the development of an induced spin polarization in the neighborhood of the Co atoms and the maintaining of the polarization picture of the Co-free GNR. Based on our results, we propose an efficient pathway for graphene-based spintronics applications.
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