Ali Saleh Alkadem Idriss, Nik Noor Ashikin Nik Ab Razak, Naser M. Ahmed, Youssef Aboubaker Abdulla, G. I. Efenji, Mohammed Dawood Salman
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Effect of annealing temperature on the dosimetric properties of thermoluminescence in a TiO2: Cu multilayer film under gamma-ray exposure
This study aims to develop a thermoluminescence (TL) dosimetry device utilizing a TiO₂: Cu multilayer film, which is fabricated using RF/DC sputtering and subjected to various annealing temperatures. The films, featuring a 5 nm-thick Cu layer, were tested under gamma-ray doses of up to 1500 mGy, displaying the highest TL intensity after annealing at 400 °C. Furthermore, annealing at 600 °C converted the films to the anatase phase, resulting in reduced roughness and improved grain size, porosity, transmittance, and absorption. The dosimetric parameters were comprehensively analyzed, focusing on homogeneity, dose-response, and repeatability, with a relative sensitivity of approximately 0.1035 compared to TLD-100, confirming their potential for TL dosimetry.
期刊介绍：
An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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