Titlebook: Kinetics of Interface Reactions; Proceedings of a Wor Michael Grunze,Hans Jürgen Kreuzer Conference proceedings 1987 Springer-Verlag Berlin

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Adsorption-Desorption Kinetics: Some Commentsed rigorously by Stückelberg [1] that the time reversal invariance of the microscopic equations of motion implies detailed balance of the equilibrium rates. An example might clarify the point: let us consider a sytem of r chemically reacting components which, at temperature T and pressure P, have mole numbers N.°.

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The Role of Precursors in Molecular Chemisorption and Thermal Desorption tungsten substrate was determined to remain close to unity even near saturation coverage. Taylor and Langmuir /1/ invoked a mobile intermediate state to interpret this functional dependence of the adsorption coefficient on adsorbate coverage.

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Molecular Beam Studies of Dissociative Chemisorption on W(110)coverage is found to be energy dependent. In experiments with HD, we have examined the relationship between rotationally mediated selective adsorption, physisorption and dissociative chemisorption on this surface. We find that selective adsorption does not lead to chemisorption, but contributes to the diffuse scattering channel.

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Energy Distributions of Thermally Desorbed Molecules: NO on AG(111) and Pt(111)There has been considerable recent experimental and theoretical interest in the translational and internal energies of molecules desorbed from surfaces [1–13]. Deviations from equilibrium populations have been both predicted and observed. Such deviations can provide clues to the desorption mechanism and to the underlying gas-surface interactions.

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