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Energy gaps in nitrogen delta-doping graphene: A first-principles study
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10.1063/1.3609243
/content/aip/journal/apl/99/1/10.1063/1.3609243
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/1/10.1063/1.3609243
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Bandgap in N δ-doping graphene with different N contents. Inset is the schematic diagram of central N δ-doping AGNR. The region in rectangular solid line refers to the unit cell of N δ-doping graphene (N-G(3)).

Image of FIG. 2.
FIG. 2.

(Color online) (a) Bandgaps of N δ-doping and intrinsic AGNRs. (b) Difference of bandgaps between N δ-doping and intrinsic AGNRs.

Image of FIG. 3.
FIG. 3.

(Color online) Band structures of N-AGNRs with different width. The shifts (Δk) of the valence band maximum from Γ point indicate the direct to indirect band transition after N δ-doping. The Fermi level is set to zero.

Image of FIG. 4.
FIG. 4.

(Color online) Shift of Fermi level between N δ-doping and intrinsic AGNRs.

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/content/aip/journal/apl/99/1/10.1063/1.3609243
2011-07-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Energy gaps in nitrogen delta-doping graphene: A first-principles study
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/1/10.1063/1.3609243
10.1063/1.3609243
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