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Polar- and Azimuth-Angle-Dependent Rotational and Vibrational Excitation of Desorbing Product CO2 in CO Oxidation on Palladium Surfaces

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Title: Polar- and Azimuth-Angle-Dependent Rotational and Vibrational Excitation of Desorbing Product CO2 in CO Oxidation on Palladium Surfaces
Authors: Yamanaka, Toshiro Browse this author →KAKEN DB
Matsushima, Tatsuo Browse this author →KAKEN DB
Keywords: PACS=82.65.+r
PACS=68.35.Ja
PACS=82.20.-w
Issue Date: 17-Jan-2008
Publisher: American Physical Society
Journal Title: Physical Review Letters
Volume: 100
Issue: 2
Start Page: 026104
Publisher DOI: 10.1103/PhysRevLett.100.026104
PMID: 18232890
Abstract: Clear polar and azimuth angle dependencies were found in rotational and vibrational energies of product CO2 in CO oxidation on Pd surfaces. On Pd(110)-(1×1), with increases in polar angle, both energies decreased in the [001] direction but remained constant in [1[overline 1]0]. On the Pd(110) with missing rows, both energies increased in [001] but decreased in [1[overline 1]0], indicating that the transition state changes with the geometry of the substrate. On Pd(111), the rotational energy greatly increased, but the vibrational energy decreased. Such angular dependence of internal energy provides new dimensions in surface reaction dynamics.
Rights: © 2008 American Physical Society
Type: article
URI: http://hdl.handle.net/2115/33046
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山中 俊朗

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