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Träfflista för sökning "WFRF:(Svensson Olle) ;pers:(Lundwall M)"

Sökning: WFRF:(Svensson Olle) > Lundwall M

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1.
  • Lundwall, M., et al. (författare)
  • Neighbor-induced photoelectron recapture in argon clusters : A  photon-energy-dependent study of Auger spectra
  • 2008
  • Ingår i: Physical Review A. Atomic, Molecular, and Optical Physics. - 1050-2947 .- 1094-1622. ; 78:6, s. 065201-
  • Tidskriftsartikel (refereegranskat)abstract
    • A photon-energy-dependent experimental study of the L2,3M2,3M2,3 Auger transitions in argon clusters is presented, and features without atomic counterparts are observed in the spectra up to photon energies at least 30 eV above the L2,3 threshold. We propose that these features are due to the process of neighbor-induced recapture, in which the outgoing photoelectron is backscattered by neighboring atoms in the cluster, loses energy in a Bremsstrahlung-like inverse photoemission process, and is recaptured in a Rydberg orbital of the core-ionized atom before Auger decay.
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2.
  • Peredkov, Sergey, et al. (författare)
  • Size determination of free metal clusters by core-level photoemission from different initial charge states
  • 2007
  • Ingår i: Physical Review B (Condensed Matter and Materials Physics). - 1098-0121 .- 1550-235X. ; 76:8
  • Tidskriftsartikel (refereegranskat)abstract
    • We present the study of free nanoscale lead clusters using photoelectron spectroscopy and synchrotron radiation. Pb 5d core-level spectra reveal the presence of different initial charge states of the clusters created by the magnetron-based source. We suggest a method for determining the cluster size from the charge-dependent core level binding energies. Both the core-level and the valence spectra demonstrate that we have created free metallic clusters with essentially the same electronic structure as the solid.
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