Abstract
Results of photon-stimulated ion desorption measurements from the surfaces of solid molecular films are presented. In the photon-energy range < 35 eV, data on N2, CO, C2H2, and CH3OH illustrate the importance of including electron-correlation effects in describing the desorption process, while the low-energy threshold for NO+ desorbed from N20 clearly indicates a oneelectron process. The N+ yield from adsorbed N2 resembles the O+ yield from CO due to hole localization on the N atom nearest the surface. K-shell excitation spectra of NH3 and D2O show that excitations of Rydberg orbitals are severely perturbed by hydrogen bonding in the bulk and, to a lesser extent, on the surface. Similar spectra of N2 show that reneutralization effects observed in N2 adsorbed on Ni are due to interaction with the metal and are not intrinsic to the N2 molecule.
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Rosenberg, R.A., Rehn, V., Green, A.K., LaRoe, P.R., Parks, C.C. (1983). Photon-Stimulated Ion Desorption from Condensed Molecules: N2, CO, C2H2, CH3OH, N2O, D2O, and NH3 . In: Tolk, N.H., Traum, M.M., Tully, J.C., Madey, T.E. (eds) Desorption Induced by Electronic Transitions DIET I. Springer Series in Chemical Physics, vol 24. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-45550-6_26
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DOI: https://doi.org/10.1007/978-3-642-45550-6_26
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