Alkali-hydride water cluster ions |
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| Authors: | M Loepfe K Siegmann K Sattler |
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| Institution: | 1. Laboratory for Solid State Physics, Federal Institute of Technology (ETH), CH-8093, Zurich, Switzerland
2. Department of Physics and Astronomy, University of Hawaii, Watanabe Hall / 2505 Correa Road, 96822, Honolulu, Hawaii, USA
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| Abstract: | Using a CO2 laser we have desorbed LiOH and NaOH from a solid target into an expanding inert gas jet pulse. Subsequently the beam was ionized by photons from a UV laser. Surprisingly, we observed in mass spectra metal water clusters and metal-hydride water clusters. For the metals M=Li, Na we find that the M(H2O)n]+ peaks are dominant for small clusters, while for large clusters (n>20) the MH(H2O)n]+ peaks are dominant. This indicates that the clathrate (H2O)20 may play an important role in the formation of metallo-water clusters. |
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