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Tunable electrical superlattices in periodically gated bilayer graphene
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10.1063/1.3309408
/content/aip/journal/jap/107/4/10.1063/1.3309408
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/4/10.1063/1.3309408
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Energy bandstructures of (a) type I, (b) type II, and (c) type III heterostructures.

Image of FIG. 2.
FIG. 2.

Gate voltage dependence of the band gap in a bilayer graphene.

Image of FIG. 3.
FIG. 3.

Schematic diagram of a configuration that can implement (a) a type I and (b) type II and type III bilayer-based superlattices.

Image of FIG. 4.
FIG. 4.

Energy dependence of the transmission coefficient in a type I graphene bilayer heterostructure consisting of two quantum barriers at an incidence angle (solid line) and 60° (dotted line).

Image of FIG. 5.
FIG. 5.

Same as in Fig. 4, for a 6-barrier structure.

Image of FIG. 6.
FIG. 6.

Energy dependence of the transmission coefficient in a type II graphene bilayer heterostructure consisting of two quantum barriers at an incidence angle (solid line) and 45° (dotted line).

Image of FIG. 7.
FIG. 7.

Same as in Fig. 6, for a six-barrier structure at (a) (solid line), 25° (dotted line), and 50° (dashed line) and (b) (solid line), 70° (dotted line), and 80° (dashed line).

Image of FIG. 8.
FIG. 8.

Energy dependence of the transmission coefficient in a type III graphene bilayer heterostructure consisting of two quantum barriers at an incidence angle (solid line) and 30° (dotted line).

Image of FIG. 9.
FIG. 9.

Same as in Fig. 8, for a six-barrier structure at (a) (solid line), 20° (dotted line), and 30° (dashed line) and (b) (solid line), 60° (dotted line), and 75° (dashed line).

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/content/aip/journal/jap/107/4/10.1063/1.3309408
2010-02-23
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tunable electrical superlattices in periodically gated bilayer graphene
http://aip.metastore.ingenta.com/content/aip/journal/jap/107/4/10.1063/1.3309408
10.1063/1.3309408
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