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- Title
Superlattices consisting of “lines” of adsorbed hydrogen atom pairs on graphene.
- Authors
Chernozatonskiĭ, L. A.; Sorokin, P. B.; Belova, E.É; Brüning, J.; Fedorov, A. S.
- Abstract
The structures and electron properties of new superlattices formed on graphene by adsorbed hydrogen molecules are theoretically described. It has been shown that superlattices of the ( n, 0) zigzag type with linearly arranged pairs of H atoms have band structures similar to the spectra of ( n, 0) carbon nanotubes. At the same time, superlattices of the ( n, n) type with a “staircase” of adsorbed pairs of H atoms are substantially metallic with a high density of electronic states at the Fermi level and this property distinguishes their spectra from the spectra of the corresponding ( n, n) nanotubes. The features of the spectra have the Van Hove form, which is characteristic of each individual superlattice. The possibility of using such planar structures with nanometer thickness is discussed.
- Subjects
HETEROSTRUCTURES; HYDROGEN analysis; ELECTRON-molecule scattering; ATOMIC models; CARBON nanotubes; SPECTRUM analysis
- Publication
JETP Letters, 2007, Vol 85, Issue 1, p77
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S002136400701016X