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Lifetimes of image-potential states on the Pt(111) surface probed by time-resolved two-photon photoemission spectroscopy

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Abstract.

We have investigated the population dynamics of image-potential states on the clean Pt(111) surface. The first two image-potential states have been resolved exhibiting lifetimes of 26±7 fs and 62±7 fs. Those lifetimes are in contrast to the (111) surfaces of Ag and Cu, where the n=2 state is degenerate with bulk states leading to lifetimes shorter than 20 fs.

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Authors and Affiliations

  1. Institut für Festkörperforschung, Forschungszentrum Jülich, 52425 Jülich, Germany, , , , , , DE

    S. Link, H.A. Dürr & W. Eberhardt

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  1. S. Link
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  2. H.A. Dürr
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  3. W. Eberhardt
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Received: 30 March 2000 / Accepted: 2 September 2000 / Published online: 12 October 2000

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Link, S., Dürr, H. & Eberhardt, W. Lifetimes of image-potential states on the Pt(111) surface probed by time-resolved two-photon photoemission spectroscopy. Appl Phys A 71, 525–528 (2000). https://doi.org/10.1007/s003390000709

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  • DOI: https://doi.org/10.1007/s003390000709

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