Radiation Physics and Engineering
A peer-reviewed journal published by K. N. Toosi University of Technology

Synthesis of hydroxyapatite through solid-state reaction method and study of its thermoluminesence dosimetric properties against gamma rays

Document Type : Research Article

Authors

Parisa Taghipour 1
Farhad Zolfagharpour 1
Hamideh Daneshvar 2

1 Department of Physics‎, ‎Faculty of Sciences‎, ‎University of Mohaghegh Ardabili‎, ‎P.O‎. ‎Box 179‎, ‎Ardabil‎, ‎Iran

2 Radiation Application Research School‎, ‎Nuclear Science & Technology Research Institute‎, ‎P.O‎. ‎Box 11365-3486‎, ‎Tehran‎, ‎Iran

https://doi.org/10.22034/rpe.2022.335334.1062
Abstract
In this research work, powder hydroxyapatite samples were synthesized using a solid-state reaction method to investigate the annealing effect. The crystal structure was carried out by XRD system produced data, and the Rietveld method using MAUD software. The samples were irradiated in different radiation absorbed doses up to 1500Gy and their thermoluminescence properties including glow curve, response, fading effect and reproducibility were investigated from dosimetry point of view. The results showed that the annealing temperature significantly affects the crystal structure and thermoluminescence dosimetry response of hydroxyapatite samples, consequently. It was concluded that high temperature annealing process can lead to formation of β-TCP crystal phase during the synthesis of hydroxyapatite. Percentage of this formed phase increases with rising the temperature, and finally leads to increasing of the thermoluminescence response. It was concludded that in the solid state reaction method to increasing the TL response, it is better to use high annealing temperature for the synthesis of hydroxyapatite sample.

Highlights

  •  HAP samples synthesized via a solid-state reaction method to investigate the annealing e ect on HAP structure.
  • The synthesized samples are a combination of di erent crystal phases and an extera  β-TCP phase.
  • Among all synthesized samples, the TL response of the HAP-900 was higher than others.
  • The linearity, fading e ect and reproducibility of the samples were investigated.

Keywords

Hydroxyapatite
Solid state
Thermoluminescence
Dosimetry
Rietveld refinement
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Radiation Physics and Engineering
Volume 3, Issue 2
Spring 2022
Pages 7-10

  • Receive Date 27 March 2022
  • Revise Date 29 April 2022
  • Accept Date 02 May 2022

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