Probing the free volume in polymers by means of positron annihilation lifetime spectroscopy

G Consolati, D Nichetti, F Quasso - Polymers, 2023 - mdpi.com
Positron annihilation lifetime spectroscopy (PALS) is a valuable technique to investigate
defects in solids, such as vacancy clusters and grain boundaries in metals and alloys, as …

Positronium confined in nanocavities: The role of electron exchange correlations

F Castelli, G Consolati, G Tanzi Marlotti - Nanomaterials, 2021 - mdpi.com
Positronium atoms (Ps) are commonly employed as a probe to characterize nanometric or
subnanometric voids or vacancies in nonmetallic materials, where Ps can end up confined …

[HTML][HTML] Effect of SHI on properties of template synthesized Cu nanowires

R Gupta, RP Chauhan, SK Chakarvarti, R Kumar - Ionics, 2019 - Springer
Metallic as well as semiconducting nanostructures have generated wide interest and are
achieving growing importance because of their potential applications in various devices …

[HTML][HTML] Enhanced field emission from copper nanowires synthesized using ion track-etch membranes as scaffolds

R Gupta, RP Chauhan, SK Chakarvarti… - Journal of Materials …, 2018 - Springer
Copper nanowires have been synthesized at different pH values through the template
assisted electrodeposition technique using polycarbonate track-etch membranes as …

Gamma Radiation Effects on Recycled e‐PC: Bisphenol A Leaching

AL De la Colina Martínez… - Electronic Waste …, 2023 - Wiley Online Library
This study aimed to evaluate the effects of gamma radiation on the amount of bisphenol A
(BPA) leaching from recycled polycarbonate from electronic waste (recycled e‐PC). The …

Study of chemical processes in irradiated polycarbonate in the context of its applicability for integrating dosimetry of high doses

D Zoul, M Koplová, M Zimina, O Libera… - Radiation Physics and …, 2020 - Elsevier
The aim of this work is the study of polycarbonate for integrating dosimetry of high doses of
ionizing radiation as a considerably cheaper alternative to commonly used alanine …

Effect of polymer adhesive in positron source for positron annihilation lifetime spectroscopy (PALS)

YS Jeong, J Lee, GM Sun, BY Han, YR Uhm… - … of Radioanalytical and …, 2023 - Springer
This study identified the cause of the minor lifetime component and the effect of the polymer
adhesive in the positron source on positron annihilation lifetime spectroscopy. Three types …

[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 …

[HTML][HTML] Positron annihilation lifetime spectroscopy of advanced reduced-activation alloy (ARAA) in cold‐worked conditions

YS Jeong, J Lee, YB Chun, YR Uhm, GM Sun… - … of Radioanalytical and …, 2021 - Springer
The defects due to cold-rolling deformation in the advanced reduced-activation alloy (ARAA)
have been analyzed using positron annihilation lifetime spectroscopy (PALS). Four different …

Modification in the properties of SnO2 and TiO2 nanocomposite thin films by low energy ion irradiation

V Kumar, MK Jaiswal, R Gupta, PK Kulriya… - Integrated …, 2018 - Taylor & Francis
The nanocomposite thin films of Tin oxide (SnO2) and Titanium dioxide (TiO2) were
deposited on silicon and ITO substrate by RF magnetron sputtering technique using sintered …