| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10610507 | Carbon | 2012 | 4 Pages |
Abstract
The graphene/Ni(1Â 1Â 1) system has been studied by angle-resolved electron-energy-loss spectroscopy. The interface-Ï plasmon, related to interband transitions involving hybridized states at the K point of the hexagonal Brillouin zone, has been measured at different scattering geometries. The resulting dispersion curve exhibits a square root behavior, indicating the Two-dimensional (2D) character of the interface collective excitation.
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Authors
A. Cupolillo, N. Ligato, L.S. Caputi,