1 August 1990 Scattering of electronically excited sulphur dioxide from graphite
Author Affiliations +
Proceedings Volume 1279, Laser-Assisted Processing II; (1990) https://doi.org/10.1117/12.20616
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands
So2 molecules in a He-seeded molecular beam were electronically excited with a XeC1 excimer laser and scattered from the basal plane of graphite in an UHV chamber. Their characteristic scattering features were measured by counting those molecules which radiate after scattering. The survival probability of SO2 scattered from graphite is 2.5 * lO-. This implies that the probability of detecting excited molecules which have collided twice on the surface is already negligible. In this favourable case, the dynamics of scattering can be described with a hard cube model. The parallel component of the momentum is conserved, whereas the perpendicular component in our case is reduced to almost half of its initial value.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Franz Kaspar, Franz Kaspar, Karl Ludwig Kompa, Karl Ludwig Kompa, Christoph Mueller, Christoph Mueller, Hartmut Schroeder, Hartmut Schroeder, } "Scattering of electronically excited sulphur dioxide from graphite", Proc. SPIE 1279, Laser-Assisted Processing II, (1 August 1990); doi: 10.1117/12.20616; https://doi.org/10.1117/12.20616

Back to Top