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Träfflista för sökning "WFRF:(Kjeldgaard Lisbeth) srt2:(2004)"

Sökning: WFRF:(Kjeldgaard Lisbeth) > (2004)

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1.
  • Carabineiro, S A C, et al. (författare)
  • Resonant photoemission of N2O on Ir(110)
  • 2004
  • Ingår i: Surface Review and Letters. - 0218-625X. ; 11:4-5, s. 385-389
  • Tidskriftsartikel (refereegranskat)abstract
    • The adsorption of N2O on Ir(110) was investigated with high-resolution resonant photoemission at 135 K. The results obtained show evidence of molecular adsorption of N2O, along with some dissociation. It is found that the nitrogen photoemission spectra measured at the terminal and central nitrogen energy positions of the N2O/Ir(110) system are equivalent to those of N2O in the gas phase. In contrast, the oxygen spectrum shows little resemblance to the gas phase oxygen spectrum of N2O. In the nitrogen resonant photoemission spectra one can only discover resonant behavior with constant binding energy peaks. In contrast, the oxygen resonant photoemission spectra shows dominantly Auger behavior with peaks at constant kinetic energies. Both observations reveal that the oxygen is bonded to the Ir surface. A systematic study as a function of coverage and temperature and a comparison with other surfaces differing in structure and composition is needed to understand the variations in the adsorption behavior of N2O On metal surfaces.
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2.
  • Schiessling, J, et al. (författare)
  • Insulating surface layer on single crystal K3C60
  • 2004
  • Ingår i: European Physical Journal B. Condensed Matter and Complex Systems. - : Springer Science and Business Media LLC. - 1434-6028. ; 41:4, s. 435-438
  • Tidskriftsartikel (refereegranskat)abstract
    • Using angle-dependent photoemission spectra of core and valence levels we show that metallic, single crystal K3C60 is terminated by an insulating or weakly-conducting surface layer. We attribute this to the effects of strong intermolecular correlations combined with the average surface charge state. Several controversies on the electronic structure are thereby resolved.
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4.
  • Schiessling, J, et al. (författare)
  • Origin of molecular orbital splitting of C-60 on Al(110)
  • 2004
  • Ingår i: Journal of Physics: Condensed Matter. - 1361-648X. ; 16:36, s. 407-414
  • Tidskriftsartikel (refereegranskat)abstract
    • We have investigated the C-60 monolayer on Al(l 10) with angle-dependent photoelectron spectroscopy. We find that orbital components have different angular distributions. Calculations of cross sections of the highest occupied molecular orbital components for free, oriented C-60 are found to describe the experimental data quite well. The observed band splitting is attributed to intramolecular electronic correlations, due to the different coupling of the orbital components to the substrate conduction band.
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  • Resultat 1-5 av 5

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