Abstract
The atoms in the surface are missing part of their nearest neighbors and exhibit therefore unsaturated valencies. The interaction of particles impinging from the gas phase may hence lead to bond formation (chemisorption) whereby even intramolecular bonds may be dissociated. Adsorbed particles may interact with each other and eventually form new bonds, and finally the surface species may be released into the gas phase. These processes are governed by the multi-dimensional potential surface V(ri, Rj) (resulting from solution of the Schrödinger equation within Born-Oppenheimer approximation), whereby ri are the nuclear coordinates of the adparticles and Rj those of the solid. The static properties of the system (equilibrium geometry, bond energies) are determined by the minima of the potential, while the curvature around these minima yield the vibrational properties. The dynamics of chemical interactions are, on the other hand, ruled by passage of the system over the potential surface and the energy exchange processes associated.
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Ertl, G. (1988). Dynamics of Chemical Interactions at Surfaces. In: de Wette, F.W. (eds) Solvay Conference on Surface Science. Springer Series in Surface Sciences, vol 14. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74218-7_28
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DOI: https://doi.org/10.1007/978-3-642-74218-7_28
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