Photoionization and photodissociation studies on aluminum-water clusters and their ions

F. Misaizu, K. Tsukamoto, M. Sanekata, K. Fuke

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22 Citations (Scopus)


Clusters of aluminum atoms solvated with water molecules, Al(H2O)n, have been studied by one-photon ionization and time-of-flight mass spectroscopy. Characteristic feature is observed in the photoionization mass spectrum: The intensities of the product Al+(H2O)n ions are about one order of magnitude larger for n≤4 than for n≥5. The ionization potentials are determined for n up to 4. The obtained results are discussed in connection with the recent theoretical works. The photodissociation spectroscopy has also been applied to the Al+(H2O)n ions with n=1-10. The observed spectra are ascribed to the transition localized on the Al+ ion on the analogy of the results of Mg+(H2O)n photodissociation. The dissociation dynamics is also discussed from the fragmentation pattern with the aid of the recent theoretical work on the structure and stability of these ions.

Original languageEnglish
Pages (from-to)177-179
Number of pages3
JournalEuropean Physical Journal D
Issue number1 Supplement
Publication statusPublished - 1993 Mar


  • 33.20.Lg
  • 33.80.Eh
  • 36.40.+d


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