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Generation of valley polarized current in bilayer graphene
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10.1063/1.3205117
/content/aip/journal/apl/95/6/10.1063/1.3205117
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/6/10.1063/1.3205117
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the valley filtering device. The area under the transparent top gate is irradiated, and the parts of the flake lying outside of the gated region function as the graphitic leads. The inset shows the first Brillouin zone.

Image of FIG. 2.
FIG. 2.

The quasienergy spectrum for (top line) and (lower two lines) in both valleys, for weak radiation (left) and strong radiation (right). The color of the line indicates the weight of the static component. Thin red lines show the unirradiated spectrum.

Image of FIG. 3.
FIG. 3.

(i) The total current and (ii) the valley polarization as a function of the field parameters. In both plots, , , and with . The white contours denote the region of high valley polarization and significant current flow.

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/content/aip/journal/apl/95/6/10.1063/1.3205117
2009-08-14
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Generation of valley polarized current in bilayer graphene
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/6/10.1063/1.3205117
10.1063/1.3205117
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