Single-molecule reactions and spectroscopy via vibrational excitation

Maki Kawai; Tadahiro Komeda; Yousoo Kim; Yasuyuki Sainoo; Satoshi Katano

doi:10.1098/rsta.2004.1369

Single-molecule reactions and spectroscopy via vibrational excitation

Maki Kawai, Tadahiro Komeda, Yousoo Kim, Yasuyuki Sainoo, Satoshi Katano

Division of Measurements

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

Inelastic tunnelling spectra of single C4 hydrocarbon molecules adsorbed on the Pd(110) surface are presented. Experimental evidence is given that the symmetry of the molecular orbital into which the tunnelling electron first enters determines which vibrational modes are excited. The action spectrum for cis-2-butene exhibits most of the vibrational modes that are expected to be excited except for v (C = C), which may be because the molecule is π bonded to the substrate, thus making the lifetime of the excited state short.

Original language	English
Pages (from-to)	1163-1171
Number of pages	9
Journal	Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume	362
Issue number	1819
DOIs	https://doi.org/10.1098/rsta.2004.1369
Publication status	Published - 2004 Jun 15

Keywords

Inelastic tunnelling
Scanning tunnelling microscopy (STM)
Single molecule
Vibration

ASJC Scopus subject areas

Mathematics(all)
Engineering(all)
Physics and Astronomy(all)

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10.1098/rsta.2004.1369

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AU - Kawai, Maki

AU - Komeda, Tadahiro

AU - Kim, Yousoo

AU - Sainoo, Yasuyuki

AU - Katano, Satoshi

PY - 2004/6/15

Y1 - 2004/6/15

N2 - Inelastic tunnelling spectra of single C4 hydrocarbon molecules adsorbed on the Pd(110) surface are presented. Experimental evidence is given that the symmetry of the molecular orbital into which the tunnelling electron first enters determines which vibrational modes are excited. The action spectrum for cis-2-butene exhibits most of the vibrational modes that are expected to be excited except for v (C = C), which may be because the molecule is π bonded to the substrate, thus making the lifetime of the excited state short.

AB - Inelastic tunnelling spectra of single C4 hydrocarbon molecules adsorbed on the Pd(110) surface are presented. Experimental evidence is given that the symmetry of the molecular orbital into which the tunnelling electron first enters determines which vibrational modes are excited. The action spectrum for cis-2-butene exhibits most of the vibrational modes that are expected to be excited except for v (C = C), which may be because the molecule is π bonded to the substrate, thus making the lifetime of the excited state short.

KW - Inelastic tunnelling

KW - Scanning tunnelling microscopy (STM)

KW - Single molecule

KW - Vibration

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JF - Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

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ER -

Single-molecule reactions and spectroscopy via vibrational excitation

Abstract

Keywords

ASJC Scopus subject areas

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