Desorption by electronically stimulated adsorbate rotation

A. R. Burns, E. B. Stechel, D. R. Jennison

Research output: Contribution to journalArticlepeer-review

113 Scopus citations


Time-of-flight laser resonance ionization is used to measure state-selective translational energies of neutral NO, CO, and metastable CO (a3 ) desorbed from Pt(111) upon electron impact. A novel and dominant NO channel has a threshold of 1/46 eV and a peak translational energy of 0.05 eV. Lifetime calculations reveal a long-lived simple excitation (5-1). Dynamical calculations reproduce translational and rotational energy distributions and suggest that the excitation frees the hindered rotation of NO.

Original languageEnglish (US)
Pages (from-to)250-253
Number of pages4
JournalPhysical Review Letters
Issue number3
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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