Free volume properties of polymers have strong correlation with macroscopic properties and
can be modified by radiations and ions. Positron annihilation lifetime spectroscopy (PALS) …

The irradiation of polymeric materials with swift heavy ions (SHI) results in a change of their
free volume properties which have strong correlation with their macroscopic properties …

Polystyrene is the radiation resistant polymer and occupies a unique position in the study of
radiation effects. The bombardment with swift heavy ions (SHI) results in the change of free …

CR-39 is a polycarbonate widely used as SSNTD for recording nuclear charged particles
and in other applications. Latent ion tracks produced in the polymers due to the damage …

This article is aimed at studying the effect of ion irradiation on free volume of
polyethersulphone (PES) and polyamide nylon-6 (PN-6) polymers by positron annihilation …

Passage of energetic heavy ions produces damage in a polymeric material resulting into the
creation of latent tracks due to dissociation of bonds, cross-linking, formation of free radicals …

[en] CR-39 is a polycarbonate widely used as SSNTD for recording nuclear charged
particles and in other applications. Latent ion tracks produced in the polymers due to the …

The positron annihilation lifetime (PAL) technique has been applied to study the effects of
gamma-ray irradiation on polymer materials, such as ethylene propylene diene monomer …

Positron annihilation lifetime (PAL) experiments are performed in polycarbonate (PC)
exposed to CO 2 and He gases as a function of time and pressure. In PC/CO 2 systems, hole …

Radiation exposure modifies the nano scale free volume of the polymers which has direct
correlation to certain properties of polymeric materials. CR-39 (DOP) polycarbonate …