Abstract
Latent tracks induced by swift heavy ions in polyvinylidene fluoride (PVDF) are analyzed using the experimental results from publications on small angle X-ray scattering, X-ray diffraction and piezoelectricity. The thermal spike model provides a correct analytical description of the track evolution above a threshold electronic stopping power S et and S et=3.75 keV/nm is deduced from the fits. Estimates are made for S et and for the rate of track evolution versus S e using the density, specific heat and melting point of PVDF and good agreement with the experiments is obtained. Strong temperature dependence of track evolution is predicted for S e > 3.75 keV/nm.
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