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  • Artikel: DFG Deutsche Nationallizenzen  (3)
  • 36.40. +d  (2)
  • 36.20  (1)
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  • Artikel: DFG Deutsche Nationallizenzen  (3)
Materialart
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  • 1
    Digitale Medien
    Digitale Medien
    Electronic structure of selenium- and tellurium-clusters (1991)
    Springer
    The European physical journal 19 (1991), S. 233-235 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 33.60.Cv ; 36.40. +d
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The vacuum-UV-photoelectron spectra (hν=10.0 eV or 8.3 eV) of selenium- and tellurium-clusters of different sizes (up to Se25 and Te8) were measured in a molecular beam by a photoion-photoelectron-coincidence experiment. Especially, the photoelectron spectra (4p-π-electrons) of the selenium-clusters converge with growing cluster size to the well known spectra of amorphous solid selenium by taking into account the dielectric constant of the bulk material. The experimental results indicate the first evidence that larger selenium aggregates are van der Waals clusters of the molecules Se5, Se6, Se7 and Se8 which are contained in the equilibrium vapour.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01448300
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
    Digitale Medien
    Digitale Medien
    Ultraviolet photoelectron studies of the molecules Se5, Se6, Se7 and Se8 with relevance to their geometrical structure (1991)
    Springer
    The European physical journal 19 (1991), S. 229-231 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 31.20. +Z ; 33.60.Cv ; 35.20.Vf ; 36.40. +d
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The vacuum-UV-photoelectron spectra (hν=10.0 eV) of Se2, Se5, Se6, Se7 and Se8 were measured. The isolated particles were examined in a supersonic molecular beam employing the photoelectron-photocation-coincidence technique. The structures of the photoelectron spectra of selenium molecules with even and odd numbers of atoms differ in a characteristic manner. Whereas the spectra of Se6 and Se8 show one single broad band, three separated bands with different intensities are observed for Se5 and two for Se7. An attempt to connect these experimental observations with the geometrical structure of the molecules shows that the photoelectron spectra are consistent with theC 1h -symmetry of the Se5 and Se7 rings proposed in the literature.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01448299
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Vacuum-UV photoemission-photoion coincidence spectroscopy of neutral metal atom clusters (1989)
    Springer
    The European physical journal 12 (1989), S. 431-434 
    Details
    ISSN: 1434-6079
    Schlagwort(e): 35.20.V ; 36.20 ; 36.40
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A newly developed photoion-photoelectron Vacuum-UV coincidence spectrometer has been coupled to a supersonic metal atom cluster beam source and has been used to investigate the electronic structure of isolated mercury clusters in the size range from 1 to 110 at several selected discrete excitation energies between 11.3 and 7.1 eV. Excitation of the van der Waals cluster Hg10 at the center of the strongD 3/2-autoionization line at 10.7 eV yields a photoelectron kinetic energy distribution between 0 and 2.5 eV indicating the population of Hg10 ionic states, which are also accessible by threshold ionization.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01426989
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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