Doubly vibrationally resonant spectroscopy of CO on Ru(0 0 1)

Ch Hess, Minhaeng Cho, M. Bonn

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A doubly vibrationally resonant technique-infrared-infrared-visible sum-frequency generation spectroscopy (IIV-SFG)-is used to study the C-O-stretch vibration of carbon monoxide adsorbed on a single-crystal Ru(0 0 1) surface. Temperature-dependent SFG spectra support an interpretation of the signal in terms of coupled CO oscillators. By variation of the center frequency of the IR pulses the resonant and nonresonant contributions to the IIV-SFG signal can be distinguished.

Original languageEnglish
Pages (from-to)123-128
Number of pages6
JournalSurface Science
Volume502-503
DOIs
Publication statusPublished - 2002 Apr 10

Keywords

  • Carbon monoxide
  • Ruthenium
  • Sum frequency generation
  • Vibrations of adsorbed molecules

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

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