author = "Sánchez Portal, D."
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Encontrado 5 documentos, página mostrada 1 de 1

Metallic thin fi lms on stepped surfaces: lateral scattering of quantum well states

Description: Quantum well states of Ag films grown on stepped Au(111) surfaces are shown to undergo lateral scattering, in analogy with surface states of vicinal Ag(111). Applying angle resolved photoemission spectroscopy we observe quantum well bands with zone-folding and gap openings driven by surface/interfac...
Language(s): Inglés

Lattice-matched versus lattice-mismatched models to describe epitaxial monolayer graphene on Ru (0001)

Description: Monolayer graphene grown on Ru(0001) surfaces forms a superstructure with periodic modulations in its geometry and electronic structure. The large dimension and inhomogeneous features of this superstructure make its description and subsequent analysis a challenge for theoretical modeling based on de...
Language(s): Inglés

Role of dispersion forces in the structure of graphene monolayers on Ru surfaces

Description: Elaborate density functional theory (DFT) calculations that include the effect of van der Waals (vdW) interactions have been carried out for graphene epitaxially grown on Ru(0001). The calculations predict a reduction of structural corrugation in the observed moiré pattern of about 25% (∼0.4  Å) wit...
Language(s): Inglés

Electron localization in epitaxial graphene on Ru(0001) determined by moiré corrugation

Description: The interpretation of scanning tunneling spectroscopy (STS) and scanning tunneling microscopy measurements of epitaxial graphene on lattice-mismatched substrates is a challenging problem, because of the spatial modulation in the electronic structure imposed by the formation of a moiré pattern. Here ...
Language(s): Español

Do Thiols Merely Passivate Gold Nanoclusters?

Description: A Comment on the Letter by H. Hakkinen, R. N. Barnett, and U. Landman, Phys. Rev. Lett. 82, 3264 (1999).
Language(s): Inglés
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Encontrado 5 documentos, página mostrada 1 de 1

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