Study on carbonated hydroxyapatite as a thermoluminescence dosimeter
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M. Shafaei
Abstract
In this study, carbonated hydroxyapatite nanoparticles were used for thermoluminescence dosimetry. The nano-structure carbonated hydroxyapatite synthesized via hydrolysis of CaHPO4 and CaCO3. The obtained nano powders were characterized by XRD technique and FTIR spectroscopy system. The carbonated hydroxyapatite samples were irradiated at different doses using 60Co gamma rays, and were subjected to thermoluminescence measurement system, consequently. The TL glow curve exhibited two distinguishable peaks centered at around of 165°C and 310°C. The TL response of carbonated hydroxyapatite samples as a function of absorbed dose was linear in the range of 25–1000 Gy. Other dosimetric features of the carbonated hydroxyapatite nanoparticles including fading and reproducibility were also investigated.
Kurzfassung
In dieser Studie wurden karbonisierte Hydroxylapatit Nanoteilchen zur Thermolumineszenzdosimetrie verwendet. Die Nanostruktur von karbonisiertem Hydroxylapatit wurde synthetisiert mittels Hydrolyse von CaHPO4 und CaCO3. Die Eigenschaften der erhaltenen Nanoteilchen wurden mit Hilfe des XRD-Verfahrens und einem FTIR Spektroskopiesystem bestimmt. Die karbonisierten Hydroxylapatit Proben wurden mit verschiedenen Dosen 60Co Strahlung bestrahlt und anschließend einer Thermolumineszenzanalyse unterzogen. Die TL Glow-Kurve zeigt zwei erkennbare Peaks bei 165°C und 310°C. Die TL Rückmeldung in Bezug auf die karbonisierten Hydroxylapatit Proben als Funktion der Energiedosis ist linear im Bereich 25–1000 Gy. Andere dosimetrische Merkmale der karbonisierten Hydroxylapatit Nanoteilchen einschließlich Fading und Reproduzierbarkeit wurden ebenfalls untersucht.
References
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Articles in the same Issue
- Contents/Inhalt
- Contents
- Summaries/Kurzfassungen
- Summaries
- Technical Contributions/Fachbeiträge
- Evaluation of advanced displacement cross-sections for the major EUROFER constituents based on an atomistic modelling approach
- Tarapur atomic power station: analysis of station blackout scenario
- Estimating steady state and transient characteristics of molten salt natural circulation loop using CFD
- Thermal hydraulic analysis of ETRR-2 using RELAP5 code
- Transient performance during stopping the research reactor primary loop pump
- Neutronic performance calculations with alternative fluids in a hybrid reactor by using the Monte Carlo method
- A study on the criticality of modified neutron transport equation by using alternative scattering phase functions
- Production cross–section calculations of medical 32P, 117Sn, 153Sm and 186,188Re radionuclides used in bone pain palliation treatment
- Study on carbonated hydroxyapatite as a thermoluminescence dosimeter
- Social impact theory based modeling for security analysis in the nuclear fuel cycle
- Analysis of a homogenous and heterogeneous stylized half core of a CANDU reactor
