The kinetic energies of neutrals desorbed by electron impact [CO from chemisorbed CO on Ru(001), and N₂O and N₂ from chemisorbed and physisorbed N₂O on Ru(001)] have been measured by a time-of-flight technique. Wide variations are found for peak energies and low-energy behavior. Theoretical calculations are presented for physisorbed N₂O which exclude a desorption mechanism via electronically induced vibrational predissociation of the surface bond, and support desorption from the repulsive region of the ground state which is reached via a strongly bound ionic state.
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Feulner et al. (1984) studied this question.
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