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  • Digitale Medien  (3)
  • 36.40. +d  (2)
  • PACS. 33.15.Kr Electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility - 34.70.+e Charge transfer - 61.48.+c Fullerenes and fullerene-related materials  (1)
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  • Digitale Medien  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    Electric dipole moment and charge transfer in alkali-C molecules (2000)
    Springer
    The European physical journal 12 (2000), S. 147-151 
    Details
    ISSN: 1434-6079
    Schlagwort(e): PACS. 33.15.Kr Electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility - 34.70.+e Charge transfer - 61.48.+c Fullerenes and fullerene-related materials
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: We have measured the electric dipole moment of isolated alkali-C60 molecules (with alkali = Li, Na, K, Rb, and Cs) by molecular beam deflection experiments. The dipole increases from 12.4 D for LiC60 to 21.5 D for CsC60. These results are compared to those deduced from an analytical polarizable-ion model. This comparison shows that there is a strong electron transfer from the alkali atom to the C60 cage, which is almost complete for KC60 and RbC60.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100530070051
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Comparison between selenium and tellurium clusters (1991)
    Springer
    The European physical journal 19 (1991), S. 237-239 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 35.20.Vf ; 36.40. +d
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Selenium and tellurium clusters are produced by the inert gas condensation technique. The mass spectra of both species are completely different and reveal different properties. In selenium, a periodicity of 6–7 is observed and may be interpreted by the binding energy between small cyclic molecules. Moreover, it was very difficult to obtained large clusters probably because the binding energy between these molecules is very small. In tellurium, these periodic structures do not exist and large clusters are easily obtained in nucleation conditions where only small selenium clusters are present. These results are discussed and a simple nucleation model is used to illustrate this different behavior. Finally these clusters properties are correlated to the bulk structure of both materials.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01448301
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  • 3
    Digitale Medien
    Digitale Medien
    Structure of small rare earth clusters (1991)
    Springer
    The European physical journal 19 (1991), S. 191-193 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 35.20.Vf ; 36.40. +d
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Rare earth clusters are produced by the inert gas condensation technique. The observed size distribution shows large peaks atn=13, 19, 23, 26, 29, 32, 34, 37, 39, 45, ... The beginning of this sequence (up to 34) has been already observed in argon clusters and recently by our group in barium clusters; this sequence may be interpreted in terms of icosahedral structures corresponding to the addition of caps on a core icosahedron of 13 atoms.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01448289
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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