Thermoluminescence properties of sintered ZnO

H. A. Borbón-Nuñez, C. Cruz-Vázquez, R. Bernal*, G. Kitis, C. Furetta, V. M. Castaño

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

New pellet-shaped ZnO phosphors were synthesized using a controlled chemical reaction. Some samples were sintered at 1123, 1173 or 1223 K during 24 h in air, and then exposed to beta particle irradiation in the dose range from 25 to 800 Gy to investigate their thermoluminescence (TL) properties. By considering their sensitivity, reproducibility, and fading features, samples sintered at 1173 K exhibit the best dosimetric characteristics. From computerized glow curve deconvolution that was carried out using a general order equation, the kinetics parameters were computed, and it was found that the glow curves are composed by six individual TL peaks with kinetics order ranging from 1.2 to 1.8.

Original languageEnglish
Pages (from-to)398-403
Number of pages6
JournalOptical Materials
Volume37
Issue numberC
DOIs
StatePublished - 2014

Bibliographical note

Publisher Copyright:
© 2014 Elsevier B.V. All rights reserved.

Keywords

  • Dosimetry
  • Kinetics parameters
  • Sintering
  • Thermoluminescence
  • Zinc oxide

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