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First observation of vibrations in core-level photoelectron spectra of free neutral molecular clusters

Författare:
  • H Bergersen
  • M. Abu-samha
  • A. Lindblad
  • R. R. T. Marinho
  • D. Ceolin
  • G. Ohrwall
  • L. J. Saethre
  • Maxim Tchaplyguine
  • K. J. Borve
  • S. Svensson
  • O. Bjorneholm
Publiceringsår: 2006
Språk: Engelska
Sidor: 109-113
Publikation/Tidskrift/Serie: CHEMICAL PHYSICS LETTERS
Volym: 429
Nummer: 1-3
Dokumenttyp: Artikel
Förlag: ELSEVIER SCIENCE BV

Sammanfattning

Core-level photoelectron spectra of free neutral methane clusters have been recorded. These spectra exhibit well-resolved surface and bulk features as well as vibrational fine structure. The vibrational structure in the cluster signal is well reproduced by a theoretical model that assumes independent contributions from inter- and intramolecular modes. The intramolecular contribution to the vibrational line-shape is taken to be equal to that of the monomer in the gas phase, while the intermolecular part is simplified to line broadening. An estimate of the cluster size has been made on the basis of the observed surface-to-bulk intensity ratio.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • ISSN: 0009-2614

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