Influence of ion irradiation on the surface properties of silver-coated flexible PDMS polymeric films

A Atta, E Abdeltwab - Brazilian Journal of Physics, 2022 - Springer
In the present paper, the surface properties of polydimethylsiloxane (PDMS) films were
modified by exposure to argon (Ar) ion beam with a fluence of 0.25× 10 18 ion. cm− 2 to 1× …

Enhanced dielectric properties of flexible Cu/polymer nanocomposite films

A Atta - Surface Innovations, 2020 - icevirtuallibrary.com
This research studied the comprehensive dielectric properties of copper (Cu)/polyethylene
terephthalate (PET) and copper/polytetrafluoroethylene (PTFE) composite films under the …

Dielectric properties of irradiated polymer/multiwalled carbon nanotube and its amino functionalized form

A Atta, S Lotfy, E Abdeltwab - Journal of Applied Polymer …, 2018 - Wiley Online Library
The polymer/multiwalled carbon nanotube [poly (vinyl alcohol)(PVA)/carboxyethyl acrylate
(CEA)]‐multiwalled carbon nanotube (MWCNT) and its amino functionalized (PVA/CEA) …

Oxygen plasma irradiation-induced surface modifications on HDPE and PET polymeric films

A Atta, NA Althubiti, S Althubiti - Journal of the Korean Physical Society, 2021 - Springer
Nowadays, plasma treatments are one of the powerful techniques usually accomplished to
change the surface characteristics of polymeric films. This study presents the influence of …

Characterization and optimization of low-energy broad-beam ion source

A Atta, HM Abdel-Hamid, YHA Fawzy… - Emerging Materials …, 2019 - icevirtuallibrary.com
In this work, a cold-cathode ion source was modified to produce a broad beam that could be
successfully used in a variety of applications. The ion source features gave reliable, long …

STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF PET POLYMER FILMS MODIFIED BY LOW ENERGY Ar ION BEAMS

YHA Fawzy, HM Abdel-Hamid, MM El-Okr… - Surface Review and …, 2018 - World Scientific
Polyethylene terephthalate (PET) films with thickness 40 μ m are irradiated with 3 keV argon
ion beams with different fluence ranging from 0. 5× 1 0 1 8 ions. cm− 2 to 2× 1 0 1 8 ions …

Effects of plasma treatments on the surface wettability properties of PTFE polymeric films

HA Al-Yousef, A Atta, E Abdeltwab, MR Atta… - … Journal of Modern …, 2024 - World Scientific
A cold cathode plasma source is constructed for modifying PTFE surface characteristics. The
source was easily built, had a consistent plasma discharge medium and acceleration …

Modification of hydrophilic, optical and electrical properties of bisphenol-A based polycarbonate polymeric films using DC O2 plasma

DA Nasrallah, NM EL-Sayed, OF Farag - Journal of Polymer Research, 2021 - Springer
In this work, Makrofol DE 1–1 films were treated with O 2 plasma for different treatment times
ranging from 60 to 120 min at applied power 3.5 W and working pressure 0.4 Torr. The …

Fabrication, structural investigation and comparative optical characterization of copper polymer nanocomposites

A Atta - Applied Physics A, 2020 - Springer
In this work, a homemade ion beam deposition technique is used to fabricate
nanocomposites films consisting of copper nanoparticles (CuNPs) embedded in a …

Influence of High-Energy Electron Bombardment on the Material Properties of Spacecraft Polymers

S Westrick, S Lambrecht, A Sokolovskiy… - The Journal of the …, 2023 - Springer
The interaction between the materials on the surface of a spacecraft and the space
environment can lead to mechanical, chemical, and optical changes that affect their …