Single-Molecule Vibrational Spectroscopy and Microscopy

DOI Web Site 被引用文献115件
  • B. C. Stipe
    Laboratory of Atomic and Solid State Physics and Center for Materials Research, Cornell University, Ithaca, NY 14853, USA.
  • M. A. Rezaei
    Laboratory of Atomic and Solid State Physics and Center for Materials Research, Cornell University, Ithaca, NY 14853, USA.
  • W. Ho
    Laboratory of Atomic and Solid State Physics and Center for Materials Research, Cornell University, Ithaca, NY 14853, USA.

書誌事項

公開日
1998-06-12
DOI
  • 10.1126/science.280.5370.1732
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:p> Vibrational spectra for a single molecule adsorbed on a solid surface have been obtained with a scanning tunneling microscope (STM). Inelastic electron tunneling spectra for an isolated acetylene (C <jats:sub>2</jats:sub> H <jats:sub>2</jats:sub> ) molecule adsorbed on the copper (100) surface showed an increase in the tunneling conductance at 358 millivolts, resulting from excitation of the C-H stretch mode. An isotopic shift to 266 millivolts was observed for deuterated acetylene (C <jats:sub>2</jats:sub> D <jats:sub>2</jats:sub> ). Vibrational microscopy from spatial imaging of the inelastic tunneling channels yielded additional data to further distinguish and characterize the two isotopes. Single-molecule vibrational analysis should lead to better understanding and control of surface chemistry at the atomic level. </jats:p>

収録刊行物

  • Science

    Science 280 (5370), 1732-1735, 1998-06-12

    American Association for the Advancement of Science (AAAS)

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