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Sample dependent correlation between TL and LM-OSL in Al2O3:C

Research output: Contribution to journalJournal articlepeer-review

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  • G. I. Dallas
  • G. S. Polymeris
  • E. C. Stefanaki
  • D. Afouxenidis
  • N. C. Tsirliganis
  • G. Kitis
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<mark>Journal publication date</mark>02/2008
<mark>Journal</mark>Radiation Measurements
Issue number2-6
Volume43
Number of pages6
Pages (from-to)335-340
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Al2O3: C single crystals are known to exhibit different, sample dependent, glow-curve shapes. The relation between the Thermoluminescence (TL) traps and the linear modulated optically stimulation luminescence (LM-OSL) traps is of high importance. In the present work a correlation study is attempted using 23 single crystals with dimensions between 400 and 500 mu m. The correlation study involved two steps. In the first step, both TL glow curves and LM-OSL decay curves are deconvoluted and a one-to-one correlation between TL peaks and LM-OSL components is attempted. In the second step the TL glow-curves are corrected for thermal quenching, the corrected curves are deconvoluted and a new correlation between TL and LM-OSL individual components is performed.