Claudete Roberta Evangelista Silva, Luiz Claudio Meira-Belo
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Implementation of retrospective dosimetry using ceramic material from spark plugs.
The aim of retrospective dosimetry is to estimate absorbed radiation doses experienced by individuals or objects in past events using physical, chemical, biological, or historical evidence. Solid-state dosimetry techniques, such as thermoluminescence (TL) and optically stimulated luminescence (OSL), play a crucial role in reconstructing radiation exposure scenarios. In this study, the feasibility of using automotive spark plugs as retrospective dosimeters was investigated, inspired by the luminescent properties of the ceramic insulator, which is primarily composed of alumina (Al2O3). The high operational temperature of spark plugs effectively reset any pre-existing environmental radiation signals, ensuring that any luminescent response primarily reflects accidental radiation exposure. The single-aliquot regeneration-dose (SAR) protocol was applied using TL and OSL to assess the dosimetric properties of spark plug insulators. The results demonstrate that these components can serve as reliable dosimetric materials and can accurately map radiation dose distributions in accidental exposure scenarios.
期刊介绍：
Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment.
The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria.
Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.
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