Site selective inelastic electron tunneling spectroscopy probed by isotope labeling

Norio Okabayashi, Magnus Paulsson, Hiromu Ueba, Youhei Konda, Tadahiro Komeda

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


We study inelastic scattering in alkanethiol self-assembled monolayers using isotope labeling and unambiguously determine which molecular vibrations are active in the inelastic electron tunneling spectroscopy. The selective deuteration of the molecule also allows us to show that the different parts of the molecule contribute approximately equally to inelastic signal. Our first principles calculations confirm the experimental results and provide insights on electron transport through molecules.

Original languageEnglish
Pages (from-to)2950-2955
Number of pages6
JournalNano Letters
Issue number8
Publication statusPublished - 2010 Aug 11


  • alkanethiol self-assembled monolayer
  • density functional theory
  • Inelastic electron tunneling spectroscopy
  • isotope labeling
  • nonequilibrium Green's function
  • scanning tunneling microscope


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