Rotationally Inelastic Gas-Surface Scattering Investigated by Laser-Induced Fluorescence
- 12 January 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 46 (2), 152-155
- https://doi.org/10.1103/physrevlett.46.152
Abstract
Variations of the rotational energy distributions of NO molecules scattered at a Pt(111) surface have been determined by means of laser-induced fluorescence. Scattering of a rotationally cold (32 K) supersonic molecular beam at a NO-covered surface results in full rotational accommodation due to trapping/desorption. No Boltzmann distribution of the rotational energies is observed if the molecules are directly (specularly) scattered at a graphitic overlayer.Keywords
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