S K Chakarvarti
Articles written in Pramana – Journal of Physics
Volume 72 Issue 4 April 2009 pp 759-764 Brief Reports
Swift heavy ions interact predominantly through inelastic scattering while traversing any polymer medium and produce excited/ionized atoms. Here samples of the polycarbonate Makrofol of approximate thickness 20 𝜇m, spin coated on GaAs substrate were irradiated with 50 MeV Li ion ($+3$ charge state). Build-in modifications due to irradiation were studied using FTIR and XRD characterizations. Considerable changes have been observed in the polymer while varying the fluence from 1E11 ion/cm2 to 1E13 ion/cm2 Li ions. AFM images of the surface modifications caused by ion irradiation on the polymer are also presented.
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