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Ultrafast photodissociation of Kn=3...9 clusters

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

By means of femtosecond pump and probe technique we investigated the temporal evolution of the photodissociation of excited potassium clusters (3 ≤ n ≤ 9). For three different excitation energies E = 1.47 eV, 2.00 eV, and 2.94 eV we were able to measure the transient multiphoton ionization spectra. In the frame of a simple energy level model the photodissociation process could be analyzed. Fragmentation time constants are estimated to be cluster size- and energydependent in the range of 200 fs up to 10 ps. The results are compared with data received from similar experiments on Nan clusters.

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Authors and Affiliations

  1. Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195, Berlin, Germany

    A. Ruff, S. Rutz, E. Schreiber & L. Wöste

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  1. A. Ruff
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  2. S. Rutz
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  3. E. Schreiber
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  4. L. Wöste
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Ruff, A., Rutz, S., Schreiber, E. et al. Ultrafast photodissociation of Kn=3...9 clusters. Z Phys D - Atoms, Molecules and Clusters 37, 175–180 (1996). https://doi.org/10.1007/s004600050025

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  • DOI: https://doi.org/10.1007/s004600050025

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