Single-molecule vibrational spectroscopy and microscopy: CO on Cu(001) and Cu(110)

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152 Scopus citations


Single-molecule vibrations of four isotopes of CO on Cu(001) and Cu(110) at 8 K have been measured by inelastic electron tunneling spectroscopy with the scanning tunneling microscope (STM-IETS). While the low energy hindered rotation exhibits strong intensity, the C-O stretch approaches the present detection limit of STM-IETS. By performing vibrational microscopy, the spatial distribution of the hindered rotation intensity is found to be more localized than the topographic depression in constant current images.

Original languageEnglish (US)
Pages (from-to)R8525-R8528
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number12
StatePublished - 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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