Issue 15, 1999

Ion sputtering as a probe of liquid surfaces

Abstract

We have measured the energy and angular distribution of the ions emitted from a perfluoropolyether liquid polymer surface due to an incident 320 eV Ar+ beam. The anion distributions are comprised almost exclusively of F?. Substantial amounts of high-energy F? recoils are produced, which can be attributed to multiple-collision processes. The production of these high-energy recoils indicates a very open surface structure, which allows hard (small impact parameter) collisions between Ar+ and individual functional groups of the polymer. Scattered Ar+ is only observed for small total scattering angles.

Article information

Article type
Paper

PhysChemComm, 1999,2, 80-85

Ion sputtering as a probe of liquid surfaces

M. A. Gleeson, T. T. Nuver, J. Lourenço, A. M. C. Moutinho, J. Los and A. W. Kleyn, PhysChemComm, 1999, 2, 80 DOI: 10.1039/A907932G

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