Ion beam induced surface and interface engineering

IP Jain, G Agarwal - Surface Science Reports, 2011 - Elsevier
The injection of material into a target specimen in the form of an accelerated ion beam offers
a most valuable tool for altering its physical, chemical, structural, surface and interface …

Low energy Kr5+ ion beam engineering in the optical, structural, surface morphological and electrical properties of RF sputtered TiO2 thin films

V Kumar, R Kumar - Optical Materials, 2019 - Elsevier
Titanium dioxide (TiO 2) thin films were grown on Silicon and glass substrates at room
temperature by RF sputtering deposition technique. All deposited thin films were irradiated …

Modifications in physico-chemical properties of 100 MeV oxygen ions irradiated polyimide Kapton-H polymer

SK Gupta, R Gupta, P Singh, V Kumar… - Nuclear Instruments and …, 2017 - Elsevier
The optical, structural and chemical properties of polyimide Kapton-H polymer thin film
samples were modified by irradiation with 100áMeVáO 7+ ions (in the fluence range of …

Surface modification of poly (propylene carbonate) by oxygen ion implantation

J Zhang, J Kang, P Hu, Q Meng - Applied surface science, 2007 - Elsevier
Poly (propylene carbonate)(PPC) was implanted by oxygen ion with energy of 40keV. The
influence of experimental parameters was investigated by varying ion fluence from 1× 1012 …

Radiation induced nano-scale free volume modifications in amorphous polymeric material: a study using positron annihilation lifetime spectroscopy

R Kumar, P Singh, SK Gupta, R Gupta… - … of Radioanalytical and …, 2017 - Springer
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 …

Free volume evolution in 50 MeV Li3+ ion-irradiated polymers studied by positron annihilation lifetime spectroscopy

P Singh, R Kumar, R Prasad - Radiation Effects and defects in …, 2013 - Taylor & Francis
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 …

Ion irradiation effects in some electro-active and engineering polymers studies by conventional and novel techniques

S Banerjee, M Deka, A Kumar, U De - Defect and Diffusion Forum, 2013 - Trans Tech Publ
The effect of various radiations to a polymer is more complex and intense, compared to that
in other materials, in view of the more complex structure and low bonding energies (5 10 eV …

[PDF][PDF] Studying Alpha Irradiated CR39 Using Positron Annihilation Spectroscopy.

S Limam, A Guittoum, Z Lounis-Mokrani… - Acta Physica …, 2023 - przyrbwn.icm.edu.pl
Polyallyldiglycol carbonate (C12H18O7), or CR39, is an amorphous polymer. It is a
particular type of solid-state nuclear track detector (SSNTD), distinguished by its capacity to …

Studies of the o-Ps lifetime and free volume in ion irradiated Makrofol-KG polycarbonate by positron annihilation

R Kumar, SA Ali, U De, AH Naqvi, SK Chaudhary… - Radiation …, 2008 - Elsevier
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 …

Various types of polysiloxanes studied by positron annihilation lifetime spectroscopy

A Nyczyk-Malinowska, E Dryzek, M Hasik… - Journal of Molecular …, 2014 - Elsevier
In the work, linear poly (vinylsiloxanes) with regular distributions of vinyl groups along
chains, the networks obtained by their hydrosilylation with various hydrogensiloxanes …