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  Dynamical steering in an electron transfer surface reaction: Oriented NO(v = 3, 0.08 < E i < 0.89 eV) relaxation in collisions with a Au(111) surface.

Bartels, N., Golibrzuch, K., Bartels, C., Chen, L., Auerbach, D. J., Wodtke, A. M., et al. (2014). Dynamical steering in an electron transfer surface reaction: Oriented NO(v = 3, 0.08 < E i < 0.89 eV) relaxation in collisions with a Au(111) surface. The Journal of Chemical Physics, 140(5): 054710. doi:10.1063/1.4863862.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-78DF-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-9497-F
Genre: Journal Article

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1933195.pdf (Publisher version), 2MB
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 Creators:
Bartels, N., Author
Golibrzuch, K., Author
Bartels, C., Author
Chen, L.1, Author              
Auerbach, D. J.1, Author              
Wodtke, A. M.1, Author              
Schäfer, T., Author
Affiliations:
1Department of Dynamics at Surfaces, MPI for biophysical chemistry, Max Planck Society, ou_578600              

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 Abstract: We report measurements of the incidence translational energy dependence of steric effects in collisions of NO(v = 3) molecules with a Au(111) surface using a recently developed technique to orient beams of vibrationally excited NO molecules at incidence energies of translation between 0.08 and 0.89 eV. Incidence orientation dependent vibrational state distributions of scattered molecules are detected by means of resonance enhanced multiphoton ionization spectroscopy. Molecules oriented with the N-end towards the surface exhibit a higher vibrational relaxation probability than those oriented with the O-end towards the surface. This strong orientation dependence arises from the orientation dependence of the underlying electron transfer reaction responsible for the vibrational relaxation. At reduced incidence translational energy, we observe a reduced steric effect. This reflects dynamical steering and re-orientation of the NO molecule upon its approach to the surface.

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Language(s): eng - English
 Dates: 2014-02-072014
 Publication Status: Published in print
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1063/1.4863862
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Title: The Journal of Chemical Physics
Source Genre: Journal
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Pages: - Volume / Issue: 140 (5) Sequence Number: 054710 Start / End Page: - Identifier: -