Ultraviolet thermoluminescent dosimetry using terbium-doped zirconium oxide thin films

J. Azorín, T. Rivera, C. Falcony, E. Martínez, M. García

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13 Scopus citations

Abstract

The experimental results of studying the thermoluminescent (TL) properties of ZrO2 thin films doped with TbCl3 exposed to ultraviolet radiation (UVR) of wavelength in the range of 200 to 400 nm are reported. The photoluminescence spectrum induced by 275 nm UVR exhibited four maxima at 487, 547, 582, and 619 nm with the major emission at 612 nm. The glow curve exhibited two peaks at 112°C and 270°C for all the wavelengths studied. The TL response of Tb-doped ZrO2 exposed to 260 nm UVR was linear in the range of 40 to 240 μJ.cm-2 spectral irradiance. The results showed that ZrO2:Tb has appropriate characteristics for use as a UV dosemeter. The high sensitivity and linear response range found, allow accurate measurements within a few seconds' exposure.

Original languageEnglish
Pages (from-to)317-319
Number of pages3
JournalRadiation Protection Dosimetry
Volume85
Issue number1-4
DOIs
StatePublished - 1999
Externally publishedYes

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