First-principles study of spin-dependent transport through graphene/BNC/graphene structure

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Abstract

First-principles study on the electronic structure and transport property of the boron nitride sheet (BNC) structure, in which a triangular graphene flake surrounded by a hexagonal boron nitride sheet, is implemented. As the graphene flake becomes small and is more isolated by the boron nitride region, the magnetic ordering of the flake increases. When the BNC structure is connected to the graphene electrodes, the spin-polarized charge-density distribution appears only at the triangular graphene flake region, and the electronic structure of the graphene electrode is not spin polarized. First-principles transport calculation reveals that the transport property of the BNC structure is spin dependent. © 2013 Ota and Ono; licensee Springer.

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Ota, T., & Ono, T. (2013). First-principles study of spin-dependent transport through graphene/BNC/graphene structure. Nanoscale Research Letters, 8(1), 1–5. https://doi.org/10.1186/1556-276X-8-199

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