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|Title:||Study of 136Xe ion induced effects in Makrofol-KL polycarbonate by positron annihilation|
|Keywords:||Makrofol-KL polycarbonate;136Xe ion irradiation;Positron lifetime;Free volume;Ion beam modification|
|Abstract:||Polymer films are finding many applications like in ion track registration, microfilters for gas separation, water purification etc. Positron Annihilation Lifetime Spectroscopy (PALS) provides non-destructive and non-interfering probe, having high detection efficiency for free volume hole properties. Makrofol - KL polycarbonate films (22 µm) were irradiated by 136Xe (11.56 MeV/n) with the fluences of 105 ions/cm2. Ion beam modifications were studied by PALS technique. From the o-Ps lifetime, mean free volume, hole radius and microvoid volume have been obtained which are found to increase with irradiation.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.44(09) [September 2006]|
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