Spatial distributions of desorbing products in basic catalytic processes and surface nano-structures |
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Authors: | Matsushima Tatsuo Rzeznicka Izabela Ma Yunsheng |
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Affiliation: | Catalysis Research Center, Hokkaido University, Sapporo 001-0021, Japan. tatmatsu@cat.hokudai.ac.jp |
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Abstract: | Reviews of recent progress in angle-resolved measurements of desorbing surface reaction products are discussed. The angular and velocity distributions of desorbing products deliver information about the reaction site as well as the reaction mechanism when the products are repulsively desorbed. These distribution measurements can yield symmetry and orientation information of the reaction site for associative processes whereas, in dissociative desorption, the collimation of fragment desorption is related to the orientation of the intermediate species immediately before dissociation. These different collimations provide information on desorption steps whenever any step becomes rate determining. |
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Keywords: | catalysis nitrogen oxides reaction mechanisms surface reaction dynamics product desorption angular distribution |
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