Selectivity of elementary molecular processes in molecule-surface collisions
β Scribed by J.W. Gadzuk
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 519 KB
- Volume
- 136
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Excitation of internal vibrational modes of molecules scattered from surfaces in which charge transfer between collision partners occurs is considered. A mechanism is proposed which should lead to controllable selectivity in the fragmentation distributions of scattered polyatomic molecules.
π SIMILAR VOLUMES
Quantum close-coupling c3Icuhtions are presented which verify that the rotational polartriution observed in recent experiments on NO-Ag(I 11) scattering is due primarily to rzv conservation. However a dramatic dependena of rotational transitions on initial q in some surfwe collisions is also indicat
The multiple collision (MC) effect in molecule-swface collisions is analyzed using a previously developed two-dimensional quantum hard ellipsoid model. The influence of the MC effecr on the rotatior.al transition probability distribution is studied. The major role of closed channels in the descripti
The magnetic subqevel splitting of selective adsorption resonances in molecule/surface scattering is discussed and the possibility of determining the orientation-dependent part of the interaction potential is investigated. An accurate anisotropy is obtained for H2/Ag (110) by fitting recent experime
Classical tujectory calculations for a model of 12 scattering from a surface show that in hi~h-xtergy collisions the amount of translational energy trancferred to rotation geatlv exceeds the amount transferred to vibration\_ The sudden approximation is used to qualitative& interpret the results.