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The adsorption of h...
The adsorption of helium atoms on small cationic gold clusters
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Goulart, Marcelo (författare)
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- Gatchell, Michael (författare)
- Stockholms universitet,Fysikum,Universität Innsbruck, Austria
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Kranabetter, Lorenz (författare)
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Kuhn, Martin (författare)
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Martini, Paul (författare)
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Gitzl, Norbert (författare)
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Rainer, Manuel (författare)
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Postler, Johannes (författare)
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Scheier, Paul (författare)
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Ellis, Andrew M. (författare)
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: Physical Chemistry, Chemical Physics - PCCP. - : Royal Society of Chemistry (RSC). - 1463-9076 .- 1463-9084. ; 20:14, s. 9554-9560
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Adducts formed between small gold cluster cations and helium atoms are reported for the first time. These binary ions, Aun+Hem, were produced by electron ionization of helium nanodroplets doped with neutral gold clusters and were detected using mass spectrometry. For a given value of n, the distribution of ions as a function of the number of added helium atoms, m, has been recorded. Peaks with anomalously high intensities, corresponding to so-called magic number ions, are identified and interpreted in terms of the geometric structures of the underlying Au-n(+) ions. These features can be accounted for by planar structures for Au-n(+) ions with n <= 7, with the addition of helium having no significant effect on the structures of the underlying gold cluster ions. According to ion mobility studies and some theoretical predictions, a 3-D structure is expected for Au-8(+). However, the findings for Au-8(+) in this work are more consistent with a planar structure.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Goulart, Marcelo
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Gatchell, Michae ...
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Kranabetter, Lor ...
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Kuhn, Martin
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Martini, Paul
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Gitzl, Norbert
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visa fler...
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Rainer, Manuel
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Postler, Johanne ...
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Scheier, Paul
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Ellis, Andrew M.
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
- Artiklar i publikationen
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Physical Chemist ...
- Av lärosätet
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Stockholms universitet