Abstract
The linewidth of the first image state on Ag(100) was studied using two-photon photoemission spectroscopy. The width was found to be 35±9 meV in agreement with a recent time-resolved study (Schoenlein et al.: Phys. Rev. Lett.61, 2596 (1988)) but somewhat larger than the theoretical value of 10–20 meV (Echenique et al.: Phys. Rev. B35, 4529 (1987)).
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Nielsen, H.B., Broström, G. & Matthias, E. Image state linewidth on Ag(100) studied by two-photon photoemission spectroscopy. Z. Physik B - Condensed Matter 77, 91–93 (1989). https://doi.org/10.1007/BF01313624
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DOI: https://doi.org/10.1007/BF01313624