Thermoluminescent characterization and defect studies of graphite-rich media under high dose neutron exposure

MU Khandaker, SNM Nawi, SE Lam, SFA Sani… - Applied Radiation and …, 2023 - Elsevier
Thermoluminescence (TL) materials have a broad variety of uses in various fields, such as
clinical research, individual dosimetry, and environmental dosimetry, amongst others …

Studies of defect states and kinetic parameters of car windscreen for thermoluminescence retrospective dosimetry

MU Khandaker, SNM Nawi, SE Lam, DA Bradley… - Applied radiation and …, 2022 - Elsevier
In case of any natural disasters or technical failures of nuclear facilities, the surrounding
media including human beings may receive unexpected radiation exposures. In such a …

Low-cost commercial graphite-rich pencils subjected to electron irradiation for passive radiation dosimetry

SNM Nawi, MU Khandaker, SFA Sani, SE Lam… - Applied Radiation and …, 2022 - Elsevier
Various thicknesses of 2B grade polymer pencil lead graphite (PPLG) were used in the
present study, which focussed on the alteration in crystalline lattice and the structural defect …

Graphite as a Skin and Epithelium Dosimeter at mammographic energies

DA Bradley, SE Lam, SNM Nawi, SFA Sani… - Radiation Physics and …, 2024 - Elsevier
Use is made of 50 μm high purity graphite foils, investigating the potential of these in
evaluation of dose in dermal and epithelial layers, measuring the thermoluminescence yield …

Carbon rich media for luminescence-based surface dosimetry and study of associated surface defects

SE Lam, DA Bradley, SNM Nawi, MU Khandaker… - Applied Radiation and …, 2023 - Elsevier
The present study continues research into the utilisation of carbonaceous media for medical
radiation dosimetry, focusing on the effects of surface area-to-volume ratio and carbon …

Defects and structural changes of graphite-rich media subjected to low-level neutron doses for radiation dosimetry

MU Khandaker, SNM Nawi, SFA Sani, JA Karim… - Radiation Physics and …, 2022 - Elsevier
Abstract Using commercially available, 0.3 mm thick rod-shaped, highly uniform 2B and HB
grade polymer pencil lead graphite (PPLG), and subjected to a low-level neutron dose …

Characterisation of graphite-based material for dosimetry in the mammographic energy range

DA Bradley, SNM Nawi, SFA Sani… - Radiation Physics and …, 2022 - Elsevier
Present work explores the use of carbon-based materials as novel material for in-vivo
radiation dosimetry during routine screening mammography, in part to reliably predict the …

The influence of Compton electrons on the rearrangement of carbon atoms in graphite: new evidence from the analysis of 2D Raman band

D Codorniu-Pujals, AB Pérez-Hernández… - The European Physical …, 2023 - Springer
In the present investigation, Raman spectroscopy is used to study the modifications caused
by Compton electrons, originated by gamma quanta of 60 Co on the crystalline structure of …

Multi-pulse femtosecond laser ablation of SiC/SiC composites: Morphological evolution, oxidation mechanisms and component characterization

L Gao, C Liu, J Liu - Journal of Manufacturing Processes, 2024 - Elsevier
SiC fiber reinforced SiC matrix (SiosC/SiC) composites processed by femtosecond laser
play a pivotal role in thermal protection systems. This paper reveals the ablation …

Thermoluminescence and structural characterization of biochar in the photon doses of 2–20 Gy for dosimetric applications

U Muslima, MU Khandaker, SE Lam, SNM Nawi… - Radiation Physics and …, 2025 - Elsevier
The present study aims to develop a thermoluminescence (TL) material for dosimeter that
might potentially surpass the performance of passive dosimeters that are currently available …