L2,3-edge resonances have been measured with synchrotron radiation on submonolayers and monolayers of Ni and Cu deposited on Si(111)7 X 7 at room temperature and after thermal annealing. In both systems the density of empty states shows large anisotropies with respect to the surface normal indicating the 2D character of the electronic structure in the chemisorbed layers and interfaces.
Empty state anisotropies in ultrathin Ni/Si(111)7 × 7 and Cu/Si(111)7 × 7 interfaces / M. Sacchi, M. Sancrotti, O. Sakho, G. Rossi. - In: SURFACE SCIENCE. - ISSN 0039-6028. - 251-252:C(1991), pp. 301-304. ((Intervento presentato al 11. convegno European Conf on surface science tenutosi a Salamaca nel 1990.
Empty state anisotropies in ultrathin Ni/Si(111)7 × 7 and Cu/Si(111)7 × 7 interfaces
G. RossiUltimo
1991
Abstract
L2,3-edge resonances have been measured with synchrotron radiation on submonolayers and monolayers of Ni and Cu deposited on Si(111)7 X 7 at room temperature and after thermal annealing. In both systems the density of empty states shows large anisotropies with respect to the surface normal indicating the 2D character of the electronic structure in the chemisorbed layers and interfaces.
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