Spatial distributions of desorbing products in steady-state NO and N2O reductions on Pd(110)

Ma, Yunsheng; Matsushima, Tatsuo; Shobatake, Kosuke; Kokalj, Anton

Spatial distributions of desorbing products in steady-state NO and N2O reductions on Pd(110)

Ma, Yunsheng; Matsushima, Tatsuo; Shobatake, Kosuke et al.

The Journal of Chemical Physics, 2006, 124(14), 144711

Permalink : https://hdl.handle.net/2115/8410

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アクセス権	open access
URI	https://hdl.handle.net/2115/8410
タイトル	Spatial distributions of desorbing products in steady-state NO and N2O reductions on Pd(110)
著者	Ma, Yunsheng ; Matsushima, Tatsuo ; Shobatake, Kosuke ; Kokalj, Anton
著者名 Ma, Yunsheng
e-Rad_Researcher 30002116 著者名 Matsushima, Tatsuo
著者名 Shobatake, Kosuke
著者名 Kokalj, Anton
言語	英語
発行日	2006-04-14
出版者	American Institute of Physics
収録物名	The Journal of Chemical Physics
巻(号)	124(14)
ページ	144711
抄録	The angular and velocity distributions of desorbing product N2 were examined over the crystal azimuth in steady-state NO+CO and N2O+CO reactions on Pd(110) by cross-correlation time-of-flight techniques. At surface temperatures below 600 K, N2 desorption in both reactions splits into two directional lobes collimated along 41°–45° from the surface normal toward the [001] and [00[overline 1]] directions. Above 600 K, the normally directed N2 desorption is enhanced in the NO reduction. Each product desorption component, as well as CO2, shows a fairly asymmetric distribution about its collimation axis. Two factors, i.e., the anisotropic site structures and the reactant orientation and movements, are operative to induce such asymmetry, depending on the product emission mechanism.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright © 2006 American Institute of Physics.
PISSN	0021-9606
NCID	AA00694991
関連情報	PMID 16626235
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1063/1.2189855