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Active phase for inclined CO2 desorption on Rh(1 1 0) in steady-state CO oxidation

✍ Scribed by Izabela Rzeźnicka; Tatsuo Matsushima

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
341 KB
Volume
377
Category
Article
ISSN
0009-2614

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✦ Synopsis

The angular and velocity distributions of desorbing CO 2 and LEED spot intensities were examined in steady-state CO oxidation on Rh(1 1 0) and Pd(1 1 0). On Rh(1 1 0), in the limited CO pressure range, the angular distribution splits into bi-directional lobes collimating at AE24°off normal along the [0 0 1] direction and the meta-stable (1 Â 2) structure stabilized by oxygen is maximized. On the other hand, neither inclined CO 2 desorption nor meta-stable (1 Â 2) was found on Pd(1 1 0).

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