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Journal Article

Novel surface vibrational spectroscopy: Infrared-infrared-visible sum-frequency generation

MPS-Authors
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Bonn,  Mischa
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Hess,  Christian
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Miners,  James H.
Fritz Haber Institute, Max Planck Society;

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Citation

Bonn, M., Hess, C., Miners, J. H., Heinz, T. F., Bakker, H. J., & Cho, M. (2001). Novel surface vibrational spectroscopy: Infrared-infrared-visible sum-frequency generation. Physical Review Letters, 86(8), 1566-1569. doi:10.1103/PhysRevLett.86.1566.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-18EC-1
Abstract
A novel type of surface vibrational sum-frequency generation spectroscopy is presented that enables a highly specific measurement of the coupling of molecules on surfaces. With this doubly vibrationally resonant technique, two-dimensional vibrational spectroscopy of molecules on surfaces becomes possible. The technique is demonstrated for the C-O stretch vibration of CO on a ruthenium (001) surface. It allows for the determination of the intermolecular coupling strength of dipole-coupled CO molecules on the surface.