Thermoluminescence characterization of nanocrystalline and single Y 3Al5O12 crystal exposed to β-irradiation for dosimetric applications

R. A. Rodríguez*, E. De La Rosa, R. Meléndrez, P. Salas, J. Castañeda, M. V. Félix, M. Barboza-Flores

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

22 Scopus citations

Abstract

The thermoluminescence (TL) characterization under β-irradiation of undoped nanocrystalline Y3Al5O12 (YAG) prepared by precipitation process and the thermoluminescence of single crystal are presented. The crystallite size induces changes in the TL glow curves and the kinetic properties modifying the radiative recombination efficiency being different than single crystals. The TL glow curves of nanocrystals present wider thermal band than single crystals and with the advantage that the main TL peaks are located far from room temperature. The TL results suggest that both undoped YAG nanocrystalline phosphor and single YAG crystal presents good potential for β-ray irradiation dosimetric applications.

Original languageEnglish
Pages (from-to)1240-1244
Number of pages5
JournalOptical Materials
Volume27
Issue number7
DOIs
StatePublished - Apr 2005
EventProceedings of the First Topical Meeting on Nanostructured Materials and Nanotechnology CIO 2004 -
Duration: 22 Sep 200424 Sep 2004

Bibliographical note

Funding Information:
This work was partially supported by CONACyT, México, through grants 43168-F, G34629-E, 37641 and 36521.

Keywords

  • Dosimeters
  • Nanocrystals
  • Single crystals and phosphor
  • Thermoluminescence
  • YAG

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