Multiphoton ionization of ions, neutrals, and clusters. Progress report

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Scientific results are summarized from a three year research program on multiphoton ionization in aromatic molecules, clusters, and their ions. As originally proposed, the studies elucidated a new cluster ionization mechanism, characterized properties of long range intermolecular interactions, and investigated electronic transitions of aromatic cations cooled in a supersonic beam. The studies indicate that the new cluster ionization mechanism is highly efficient and dominates conventional 1 + 1 resonant ionization. In the case of the dimer of the large aromatic molecule fluorene, the results suggest that excimer formation competes with a direct ionization process. Highly selective excitonic spectra have been ... continued below

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26 p.

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Wessel, J. June 28, 1991.

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Description

Scientific results are summarized from a three year research program on multiphoton ionization in aromatic molecules, clusters, and their ions. As originally proposed, the studies elucidated a new cluster ionization mechanism, characterized properties of long range intermolecular interactions, and investigated electronic transitions of aromatic cations cooled in a supersonic beam. The studies indicate that the new cluster ionization mechanism is highly efficient and dominates conventional 1 + 1 resonant ionization. In the case of the dimer of the large aromatic molecule fluorene, the results suggest that excimer formation competes with a direct ionization process. Highly selective excitonic spectra have been identified for several cluster species.

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26 p.

Notes

OSTI as DE99000263

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  • Other Information: PBD: 28 Jun 1991

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  • Other: DE99000263
  • Report No.: DOE/ER/60391--T4
  • Grant Number: FG03-86ER60391
  • DOI: 10.2172/674620 | External Link
  • Office of Scientific & Technical Information Report Number: 674620
  • Archival Resource Key: ark:/67531/metadc709964

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  • June 28, 1991

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 5, 2015, 1:01 p.m.

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Wessel, J. Multiphoton ionization of ions, neutrals, and clusters. Progress report, report, June 28, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc709964/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.