Single-molecule vibrational spectroscopy and microscopy: CO on Cu(001) and Cu(110)
- 15 September 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 60 (12) , R8525-R8528
- https://doi.org/10.1103/physrevb.60.r8525
Abstract
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.Keywords
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