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Radiative neutralization of small clusters impinging on solid surfaces

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Light emission during the interaction of slow singly-charged clusters with solid surfaces is studied theoretically. More precisely, we consider positive ions of Ag n clusters (n = 1...5) impinging on silver surfaces. In such systems, the charge transfer process involved during the cluster-surface interaction is mainly resonant capture. However, photon emission due to radiative capture is also a possible charge transfer channel. Our simple theoretical model including both processes allows us to calculate the light spectra and the total photon yield for the different cluster sizes, n. Our results show that light emission strongly depends on the electronic level dynamics of the clusters in front of the surface, providing a tool for electronic structure analysis of atoms, clusters and solid surfaces.

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Author notes

  1. N. Lorente

    Present address: Laboratoire des Collisions Atomiques et Moléculaires, Université de Paris-Sud, Bâtiment 351, Orsay Cedex, F-91405, France

Authors and Affiliations

  1. Department Física Teórica de la Materia Condensada, C-V, Universidad Autónoma de Madrid, Madrid, E-28049, Spain

    N. Lorente & R. Monreal

  2. Department of Applied Physics, Chalmers University of Technology and Göteborg University, Göteborg, Sweden

    M. Alducin & P. Apell

Authors
  1. N. Lorente
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  2. R. Monreal
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  3. M. Alducin
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  4. P. Apell
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Lorente, N., Monreal, R., Alducin, M. et al. Radiative neutralization of small clusters impinging on solid surfaces. Z Phys D - Atoms, Molecules and Clusters 41, 143–150 (1997). https://doi.org/10.1007/s004600050303

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  • DOI: https://doi.org/10.1007/s004600050303

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