Elastic and inelastic scattering of low-energy electrons from gas-phase C 60: elastic scattering angular distributions and coexisting solid-state features revisited

H. Tanaka, M. Hoshino, M. J. Brunger

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4 Citations (Scopus)

Abstract

Abstract: We revisit the crossed-beam experimental results for the elastic scattering of low-energy electrons from gas-phase C 60, with an emphasis on comparison with the results from ab initio calculations. The relevance of Vincent McKoy’s work, the SMC method, in this respect is demonstrated by our re-normalized data. This is evidenced in the DCS-energy (eV) and DCS-scattering angle (θ) space, i.e., in 3D distributions, as the more comprehensive and distinctive features of electron scattering from this typically high-symmetry and large molecule of C 60. An earlier inconsistency between the experimental data and theoretical absolute DCS values is solved, by re-normalizing the cross sections. Absolute scales are also placed on the inelastic scattering DCS of vibrational and electronic excitations, with the latter being compared with photoabsorption cross sections. In addition, some coexisting solid-state phase features, which emerged in the free molecules of C 60, are summarized using low-energy electron spectroscopy. Graphic Abstract: [Figure not available: see fulltext.]

Original languageEnglish
Article number293
Number of pages12
JournalEuropean Physical Journal D
Volume75
Issue number11
DOIs
Publication statusPublished - Nov 2021

Keywords

  • low-energy electron spectroscopy
  • C60
  • SMC method

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