Vertical channeling of pyridine molecules ejected in ion bombardment experiments

Dae Won Moon, Nicholas Winograd, Barbara J. Garrison

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Recent secondary ion mass spectrometry experiments of organic molecules on metal surfaces show that the bonding geometry of the molecule on the surface is reflected in the polar angle distributions. Specifically, the polar distribution of pyridine molecules ejected from a σ-bonded configuration on a Ag{111} is narrower than the polar distribution of benzene molecules ejected from a π-bonded configuration. Classical dynamics calculations presented here identify a new channeling mechanism in which the σ-bonded pyridine molecules on the surface focus the ejection direction of other pyridine molecules.

Original languageEnglish (US)
Pages (from-to)237-240
Number of pages4
JournalChemical Physics Letters
Volume114
Issue number2
DOIs
StatePublished - Feb 22 1985

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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