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Cited by 104 publications
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“…The individual O 2 isotope species during the decomposition of 15 N 2 18 O show that the desorption of dioxygen from Fe/FER does not proceed exclusively via the interaction of two 18 O atoms -either between two oxygens at the surface or between one at the surface and one from impinging nitrous oxide: if this happened, the desorbed dioxygen should be constantly only 18 O 2 , which is not the case ( figure 1a and b) This rapid equilibration agrees with a ''single-step'' mechanism -one oxygen atom from the O 2 is exchanged and the molecule desorbed [9] -which seems to match the equilibration better than the desorption of dioxygen from a statistical distribution of 18 O and 16 O oxygen atoms in the zeolite, as suggested e.g., in ref. [6].…”
Section: Discussionsupporting
confidence: 60%
“…The individual O 2 isotope species during the decomposition of 15 N 2 18 O show that the desorption of dioxygen from Fe/FER does not proceed exclusively via the interaction of two 18 O atoms -either between two oxygens at the surface or between one at the surface and one from impinging nitrous oxide: if this happened, the desorbed dioxygen should be constantly only 18 O 2 , which is not the case ( figure 1a and b) This rapid equilibration agrees with a ''single-step'' mechanism -one oxygen atom from the O 2 is exchanged and the molecule desorbed [9] -which seems to match the equilibration better than the desorption of dioxygen from a statistical distribution of 18 O and 16 O oxygen atoms in the zeolite, as suggested e.g., in ref. [6].…”
Section: Discussionsupporting
confidence: 60%
“…Several mechanisms have been proposed in the literature for the isotopic equilibration reaction [54][55][56][57][58]. According to Bonhoeffer and Farkas [59,60], H 2 and D 2 molecules are dissociatively adsorbed on the metallic surface followed by an associative desorption of HD.…”
Section: Kinetics Of the Equilibration Reaction Over Ru/ac And Ru-na/mentioning
confidence: 99%
“…k 2 and k −2 represent the rate constants for the forward and reverse incorporation processes. There are three possible oxygen exchange mechanisms, proposed by Klier et al, 41 and Boreskov et al 42 The first one is homogeneous exchange and it is the exchange between two oxygen molecules in the same phase, specifically the gas phase for our case. For homogeneous exchange no lattice oxygen participates in the exchange reaction, although the surface of the cathode does catalyze the reaction.…”
Section: Theorymentioning
confidence: 84%