The electronic properties of a C-70 single layer chemisorbed on Cu(111) surface, in which the charge state has been modified by Na doping, were studied via synchrotron radiation photoemission and absorption spectroscopy. A two-dimensional metallic phase is observed in the whole range of charge states investigated (from 1 up to 3 electrons/C-70). Moreover, all the results suggest that the orientation of the molecules, with the C-5v axis perpendicular to the surface, is not affected by Na doping.



Titolo: Metallic phases of a C-70 single layer adsorbed on Cu(111) doped with sodium
Autori: 
MORGANTE, ALBERTO
PARMIGIANI, FULVIO
mostra contributor esterni 
Data di pubblicazione: 2003
Rivista: 
SURFACE SCIENCE  
Abstract: The electronic properties of a C-70 single layer chemisorbed on Cu(111) surface, in which the charge state has been modified by Na doping, were studied via synchrotron radiation photoemission and absorption spectroscopy. A two-dimensional metallic phase is observed in the whole range of charge states investigated (from 1 up to 3 electrons/C-70). Moreover, all the results suggest that the orientation of the molecules, with the C-5v axis perpendicular to the surface, is not affected by Na doping.
Handle: http://hdl.handle.net/11368/1697086
Digital Object Identifier (DOI): http://dx.doi.org/10.1016/S0039-6028(03)00179-1
URL: http://www.sciencedirect.com/science/article/pii/S0039602803001791
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