Damage around the ion path in cellulose triacetate. II. A track model
- 1 July 1984
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 56 (1), 215-219
- https://doi.org/10.1063/1.333754
Abstract
In this paper, a model of an ion track is proposed. It is justified by experimental results obtained by electron microscopy. These results show that a track is composed of two parts: (i) a core in which the material is totally destroyed, and (ii) a ‘‘halo’’ in which the damage decreases when the distance from the ion path increases. The overall results given in paper I and the calculation of deposited energy density of Fain [J. Fain, M. Monnin, and M. Montret, Proceedings of the 8th International Conference on Nuclear Photo., S.S.N.T.D., Bucarest (1972), p. 34, and J. Fain, M. Monnin, and M. Montret, Radiat. Res. 57, 379 (1974)] led us to the volume density of free radicals at every point inside the latent track. The core radius is established for ions of Z≤18 and E≤10 MeV/amu. A great density of damage close to the ion path is shown, and the influence of this phenomenon on track etching is studied.Keywords
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