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Proton induced modification in makrofol-DE

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Abstract

Irradiation effects of a 3 MeV proton beam on polycarbonate (makrofol-DE (MFD)) have been studied with respect to its electrical, thermal and structural behaviour by using an LCR meter, DSC/TGA and FTIR spectroscopy. The dielectric loss/constant was observed to change with the fluence. Thermal analysis revealed that chain scission is the dominant phenomena in irradiated samples based on the reduction of its thermal stability by about 19% at a fluence of 1015 ions/cm2, which is also corroborated by FTIR spectra. No significant change in intensity of the absorbance bands of the irradiated sample was observed up to a fluence of 1014 ions/cm2 while on increasing fluence (1015 ions/cm2) the polymer structure was modified. It appears from DSC thermograms thatT g is observed to change with fluence.

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Authors and Affiliations

  1. Physics Department, M.S. University of Baroda, 390 002, Vadodara, India

    N. L. Singh, Nilam Shah & K. P. Singh

  2. Department of Physics, Punjab University, 160 014, Chandigarh, India

    K. P. Singh

Authors
  1. N. L. Singh
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  2. Nilam Shah
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  3. K. P. Singh
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Correspondence to N. L. Singh.

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Singh, N.L., Shah, N. & Singh, K.P. Proton induced modification in makrofol-DE. Bull Mater Sci 28, 599–602 (2005). https://doi.org/10.1007/BF02706349

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  • DOI: https://doi.org/10.1007/BF02706349

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