Transport Processes in Tracks

  • D. Fink
  • V. Hnatowicz
  • P. Yu. Apel
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 65)


The linearly extended overall radiation-induced change in free volume — either resulting in a net increase or a decrease — together with the extended distribution of newly formed radicals, is one of the most characteristic properties of ion tracks in polymers, and therefore deserves special attention. According to findings on tracks in, e.g., polyimide [1], the free ion-track volume by no means just forms a small empty cylinder of nanometric dimension in the ion-track center, unless the tracks are extremely short [2]. Rather, the polymeric ion tracks appear to have a sponge-like consistency of free volume intermixed with carbon-enriched radiochemical reaction products with a fractal structure, which therefore often enables an enhanced transport of matter along them.


Surface Enhance Raman Scattering Free Volume Latent Track Polymer Foil Irradiate Polymer 
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© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • D. Fink
  • V. Hnatowicz
  • P. Yu. Apel

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