Sputtering of atoms in fine structure states: A probe of excitation and de-excitation events

Barbara J. Garrison, Nicholas Winograd, Reema Chatterjee, Zbigniew Postawa, Andreas Wucher, Erno Vandeweert, Peter Lievens, Vicky Philipsen, Roger E. Silverans

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The electronic mechanisms leading to the formation of excited atoms from ion-bombarded metal surfaces have been examined in light of recent experimental observations. Specifically, populations and kinetic energy distributions are compared for metastable fine structure states of In, Rh, Ni, Co and Ag. The comparison shows that the populations of these depend strongly on the electronic configuration of the departing atom and its correspondence with the metallic band structure. Current hypotheses about fundamental processes are discussed. Missing parts of our understanding of these processes are enumerated, and a number of new experiments aimed toward filling in these gaps are proposed.

Original languageEnglish (US)
Pages (from-to)1266-1272
Number of pages7
JournalRapid Communications in Mass Spectrometry
Volume12
Issue number18
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry

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