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  • 1990-1994  (1)
  • 36.40.+d  (1)
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  • 1990-1994  (1)
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    Electronic Resource
    Electronic Resource
    Photoelectron spectroscopy and electronic structure of Ca@C60 (1993)
    Springer
    The European physical journal 26 (1993), S. 297-299 
    Details
    ISSN: 1434-6079
    Keywords: 36.40.+d ; 33.60.Cv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The electronic structure of an isolated Ca@C60 molecule was probed by photoelectron spectroscopy (PES) of Ca@C 60 − , generated by laser desorption of a preformed Ca@C60/fullerene thin film. The PES spectrum of Ca@C60 was found to be similar to that of C 60 − , except that Ca@C60 has an electron affinity of 3.0 eV, about 0.3 eV higher than that of C60. The spectrum suggests that Ca atom donates its two 4s electrons to the C60 t lu lowest unoccupied molecular orbital. Thus, the interaction between the central Ca atom and C60 is quite ionic, and Ca@C60 can essentially be expressed as Ca2+@C 60 2− .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01425696
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