Author/Authors :
Hu، نويسنده , , Yu-Hai and Han، نويسنده , , Song and Horino، نويسنده , , Hideyuki and Nieuwenhuys، نويسنده , , Bernard Egbert and Hiratsuka، نويسنده , , Atsuko and Ohno، نويسنده , , Yuichi and Ivan، نويسنده , , Kobal and Matsushima، نويسنده , , Tatsuo، نويسنده ,
Abstract :
The collimation of the desorbing product CO2 is very different in the NO(a) + CO(a) and O(a) + CO(a) reactions on Pt(1 1 2)=[(S)3(1 1 1)×(0 0 1)]. In the NO(a) + CO(a) reaction, CO2 desorption collimated along the local normal of the (0 0 1) facets, whereas in the O(a) + CO(a) reaction, it sharply collimated close to the (1 1 1) terrace normal. This site switching is explained by different rate-determining steps.
Keywords :
Platinum , Surface chemical reaction , Carbon dioxide , nitrogen oxides , CARBON MONOXIDE , Nitrogen molecule , Angle resolved DIET (including electron stimulated desorption ion angular distribution (ESDIAD))
