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Heterospin Junctions in Zigzag-Edged Graphene Nanoribbons
AbstractWe propose a graphene nanoribbon-based heterojunction, where a defect-free interface separates two zigzag graphene nanoribbons prepared in opposite antiferromagnetic spin configurations. This heterospin junction is found to allow the redirecting of low-energy electrons from one edge to the other. The basic scattering mechanisms and their relation to the system’s geometry are investigated through a combination of Landauer–Green’s function and the S-matrix and eigen-channel methods within a tight-binding + Hubbard model validated with density functional theory. The findings demonstrate the possibility of using zigzag-edged graphene nanoribbons (zGNRs) in complex networks where current can be transmitted across the entire system, instead of following the shortest paths along connected edges belonging to the same sub-lattice.
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Girão, E.C.; Liang, L.; Meunier, V. Heterospin Junctions in Zigzag-Edged Graphene Nanoribbons. Appl. Sci. 2014, 4, 351-365.View more citation formats
Girão EC, Liang L, Meunier V. Heterospin Junctions in Zigzag-Edged Graphene Nanoribbons. Applied Sciences. 2014; 4(3):351-365.Chicago/Turabian Style
Girão, Eduardo C.; Liang, Liangbo; Meunier, Vincent. 2014. "Heterospin Junctions in Zigzag-Edged Graphene Nanoribbons." Appl. Sci. 4, no. 3: 351-365.