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High Energy Chemistry

, Volume 53, Issue 3, pp 238–245 | Cite as

Thermoluminescence of Dysprosium Doped Strontium Borate Glass for (NA, LI, CA) Modifiers Irradiated to High Dose 60CO

  • S. A. Hamzah
  • M. A. SaeedEmail author
  • I. HossainEmail author
  • H. Wagiran
RADIATION CHEMISTRY
  • 2 Downloads

Abstract

This article reports the characteristics of thermoluminescence (TL) dosimeter of dysprosium doped strontium borate glass for NaO, Li2O, and CaO modifiers imposed by 10–90 Gy dose of 60Co gamma ray irradiation. The different elements are (70.0 – x) B2O320SrO–10NaO–xDy2O3, 10Li2O–20SrO–(70 – x)B2O3–(x)Dy2O3 and 10CaO–20SrO–(70.0 – x)B2O3–(x)Dy2O3 (x = 0, 0.10, 0.30, 0.50, 0.70 mol %). The glass was formed by melt quenching method and the ranges of Dy2O3 were 0.0 to 0.7 mol %. Calcium strontium borate doped with 0.3 mol % Dy2O3 shows very good linearity on dose response and gives an excellent sensitivity at 50 Gy dose of 60Co gamma ray irradiation. The samples N1, L1, C3 were completely amorphous. The optimums anneal temperature, time, concentration of Dy2O3 and heating rate were investigated for glass samples N1, L1, C3. The systematic characteristics of glow curve, TL intensity, reproducibility, sensitivity, kinetic parameters and effective atomic number were studied for three selected samples. All samples show the maximum peak from 154–200°C temperatures.

Keywords:

TL dosimeter high dose Co-60 gamma irradiation TL dose response sensitivity 

Notes

ACKNOWLEDGMENTS

The authors would like to thank the Universiti Kebangsaan Malaysia (UKM), Bangi for providing irradiation facilities. The authors would like to thank the Ministry of Higher Education (MOHE) of Malaysia and Universiti Teknologi Malaysia (UTM) for supporting the research and providing research grant (R.J130000.7826.4F736).

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Department of Physics, Faculty of Science, Universiti Teknologi MalaysiaSkudaiMalaysia
  2. 2.Department of Physics, Rabigh College of Science and Arts, King Abdulaziz UniversityRabighSaudi Arabia
  3. 3.Department of Physics, Division of Science & Technology, University of EducationTownship, LahorePakistan

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