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Femtosecond Surface Vibrational Spectroscopy of CO Adsorbed on Ru(001) during Desorption

Bonn, Mischa ; Hess, Christian ; Funk, Stephan ; Miners, James H. ; Persson, Bo N. J. ; Wolf, Martin ; Ertl, Gerhard (2024)
Femtosecond Surface Vibrational Spectroscopy of CO Adsorbed on Ru(001) during Desorption.
In: Physical Review Letters, 2000, 84 (20)
doi: 10.26083/tuprints-00026903
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Femtosecond Surface Vibrational Spectroscopy of CO Adsorbed on Ru(001) during Desorption
Language: English
Date: 23 April 2024
Place of Publication: Darmstadt
Year of primary publication: 2000
Place of primary publication: College Park, MD
Publisher: American Physical Society
Journal or Publication Title: Physical Review Letters
Volume of the journal: 84
Issue Number: 20
DOI: 10.26083/tuprints-00026903
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Origin: Secondary publication service
Abstract:

Using time-resolved sum-frequency generation spectroscopy, the C—O stretch vibration of carbon monoxide adsorbed on a single-crystal Ru(001) surface is investigated during femtosecond near-IR laser excitation leading to desorption. A large transient redshift, a broadening of the resonance, and a strong decrease in intensity are observed. These originate from coupling of the C—O stretch to low-frequency modes, especially the frustrated rotation, that are highly excited in the desorption process.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-269032
Classification DDC: 500 Science and mathematics > 530 Physics
500 Science and mathematics > 540 Chemistry
Date Deposited: 23 Apr 2024 08:20
Last Modified: 23 Apr 2024 08:20
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/26903
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