Kinetic studies on the CO oxidation on Pd(111) with low energy electron diffraction (LEED) and angle-resolved thermal desorption

Matsushima, Tatsuo; Asada, Hiromu

The Journal of Chemical Physics, 1986, 85(3), 1658-1668

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アクセス権
open access
URI
https://hdl.handle.net/2115/5515
タイトル
Kinetic studies on the CO oxidation on Pd(111) with low energy electron diffraction (LEED) and angle-resolved thermal desorption
著者
e-Rad_Researcher
30002116
著者名
Matsushima, Tatsuo
松島, 龍夫
著者名
Asada, Hiromu
言語
英語
発行日
1986-08
出版者
American Institute of Physics
収録物名
The Journal of Chemical Physics
巻(号)
85(3)
ページ
1658-1668
抄録
Three different coadsorption structures of CO and oxygen over Pd(111) were analyzed through measurements of the intensity of LEED spots; separate domains of p(2x2)-O and (√3x√3)R30゛－CO, closely contacted domains of (√3x√3)R30゛－O with the same structure of CO, and also a mixed phase with (2x1) periodicity. The desorption of CO2 produced in the above adlayers was analyzed in an angle-resolved form. The angular distribution becomes extremely sharp, when the reaction sites are closely surrounded by coadsorbates. The collimation of the desorption along the surface normal is suggested to be due to the collision of desorbing CO2 with the surrounding adsorbates, as well as the repulsive interaction between nascent CO2 and the surface. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
Copyright © 1986 American Institute of Physics
PISSN
0021-9606
関連情報
URI
http://www.aip.org/
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.1063/1.451206