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Título

Spin-polarized electrons in bilayer graphene ribbons

Autor Orellana, P. A.; Rosales, L.; Chico, Leonor ; Pacheco, M.
Fecha de publicación 2013
EditorAmerican Institute of Physics
Citación Journal of Applied Physics 113(21): 213710 (2013)
ResumenWe show that a bilayer graphene ribbon deposited above a ferromagnetic insulator can behave as a spin-filtering device. The ferromagnetic material induces exchange splitting in the graphene ribbon, and due to the Fano antiresonances occurring in the transmission of the graphene ribbon as a function of ribbon length and energy, it is possible to obtain a net spin current. This happens when an antiresonance for one spin channel coincides with a maximum transmission for the opposite spin. We propose these structures as a means to obtain spin-polarized currents and spin filters in graphene-based systems. © 2013 AIP Publishing LLC.
Versión del editorhttp://dx.dooi.org/10.1063/1.4809752
URI http://hdl.handle.net/10261/95508
DOI10.1063/1.4809752
Identificadoresdoi: 10.1063/1.4809752
issn: 0021-8979
e-issn: 1089-7550
Aparece en las colecciones: (ICMM) Artículos
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