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Two-dimensional semiconducting nanostructures based on single graphene sheets with lines of adsorbed hydrogen atoms
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10.1063/1.2800889
/content/aip/journal/apl/91/18/10.1063/1.2800889
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/18/10.1063/1.2800889
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Geometry and electronic structure of 2H-line superlattice models: (a) 2HG-SL scheme, where (3,0) strips (highlighted) are electronic waveguides. Band structures and corresponding views of (b) (8,0) 2HG-SL, (c) graphene ribbon (17-AGNR in conventional notation [21]), and (d) (8,0) carbon nanotubes, [carbon atoms are light (cyan online), hydrogen atoms are dark (blue online)]; (e) the variation of band gaps of 2HG-SLs as with index [the triangle and the circle correspond to band gap width of and SLs, respectively]; (f) the band structure of (7,0) 2HG-SL. The Fermi level in all spectra is marked by the horizontal line.

Image of FIG. 2.
FIG. 2.

(Color online) The geometrical structure, HOMO and LUMO orbitals at the point (isovalue 0.02) and a schematic illustration of the energy band diagram of (a) and (b) 2HG-SLs.

Image of FIG. 3.
FIG. 3.

(Color online) The scheme of fabrication of graphene superlattices: regions 1 and 4 are flat, while 2 and 3 have positive and negative curvature, respectively.

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/content/aip/journal/apl/91/18/10.1063/1.2800889
2007-10-29
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-dimensional semiconducting nanostructures based on single graphene sheets with lines of adsorbed hydrogen atoms
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/18/10.1063/1.2800889
10.1063/1.2800889
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