Optically and thermally stimulated luminescence characteristics of MgO:Tb3+

descriptionPublicationkeyboard_double_arrow_right Article 27 Apr 2006 Serbia English Publisher:Oxford University Press (OUP)Journal:Radiation Protection Dosimetry, volume 119, pages 130-133 (issn: 0144-8420, eissn: 1742-3406,

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Authors: Bos, A. J. J.; Prokić, Miloš; Brouwer, J. C.;

doi: 10.1093/rpd/nci641

pmid: 16644952

Optically and thermally stimulated luminescence characteristics of MgO:Tb3+

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Abstract

In this paper main optically stimulated luminescence (OSL) and thermoluminescence (TL) characteristics are presented of a newly synthesised material MgO doped with terbium (Tb) developed at the Institute of Nuclear Science, Vinca. A thermally stimulated emission spectrum showed the characteristic lines of Tb3+ in a wide range of wavelengths. The TL sensitivity of the main TL glow peak at 315 degrees C is 1.7 times higher than the TL of Al2O3:C. The highest OSL sensitivity was obtained under green lamp (500-570 nm) stimulation. The fast component in the OSL decay curve is 2.4 times faster than Al2O3:C. The OSL signal is linear with dose up to 10 Gy. The lower limit of detection was found to be 100 microGy. These first results show that the newly synthesised material has some promising properties for the application in radiation dosimetry.

Country

Serbia

Related Organizations

University of Belgrade
Serbia
Delft University of Technology
Netherlands

Keywords

Hot Temperature, Light, Reproducibility of Results, Dose-Response Relationship, Radiation, Equipment Design, Radiation Dosage, Sensitivity and Specificity, Equipment Failure Analysis, Materials Testing, Thermoluminescent Dosimetry, Magnesium Oxide, Terbium

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