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Journal of Materials Science

, Volume 28, Issue 19, pp 5133–5137 | Cite as

Thermoluminescence dosimetry in the μGy range of neodymium-doped tellurite-phosphate glass

  • A. Abdel-Kader
  • A. A. Higazy
  • M. M. Elkholy
  • H. I. Farag
Papers

Abstract

Thermoluminescence (TL) of tellurite-phosphate glass of the composition of (TeO20.81-P2O50.19) doped with different concentrations of Nd2O3 was prepared. The optimum concentration of Nd2O3 was experimentally determined as 10−3 wt% Nd2O3 in this glass. TL showed a single, isolated glow curve which peaked at approximately 498–513 K (depending on the Nd concentration). This peak is very suitable for radiation dosimetry, and obeys second-order kinetics. The TL response against the irradiation dose was found to be linear in the low-dose region (11.2–224.2 μGy), indicating the high sensitivity of our glass samples to low-dose γ rays. Finally, the trap depth was also calculated, using methods concerning the second-order kinetics.

Keywords

Radiation Polymer Irradiation Dose Optimum Concentration Glass Sample 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1993

Authors and Affiliations

  • A. Abdel-Kader
    • 1
  • A. A. Higazy
    • 1
  • M. M. Elkholy
    • 1
  • H. I. Farag
    • 2
  1. 1.Physics Department, Faculty of ScienceMenoufia UniversityMenoufiaEgypt
  2. 2.Physics Unit, National Cancer InstituteCairo UniversityCairoEgypt

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