Ion-chain interaction in keV ion-beam-irradiated polystyrene
- 21 September 1987
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 51 (12), 907-909
- https://doi.org/10.1063/1.98797
Abstract
Molecular weight distribution has been measured in monodisperse polystyrene film (MW=9 000 amu) after ion bombardment, in the ion fluence range 1011–1013 ions/cm2. The chosen beams are 100 keV He, 200 keV Ne, and 400 keV Ar. The experimental data have been interpreted in terms of a simple statistical model for cross-links. The chemical yield is found to be very high and equal to 0.30, about a factor of 10 higher than the values given in the literature for gamma irradiation [M. Dole, in The Radiation Chemistry of Macromolecules (Academic, New York, 1973), Vol. 2, Chap. 5, p. 57].Keywords
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