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Effects of the equilibrium concentration of impurities on the reproducibility of thermoluminescence in MgO

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Abstract

A study of thermoluminescent (TL) sensitivity and reproducibility is undertaken in crystals of MgO exposed to ultraviolet radiation in the as-received condition, and heat treated in air or in a mixtue of CO/CO2 at either 1000 or 1400° C. The changes in the concentrations of transition metal ions such as Fe3+, Cr3+, Mn2+ and V2+, caused by the heat treatments, are followed using electron spin resonance. It is shown that the equilibrium concentrations of Fe3+ and V2+ ions, which can be altered by heat treatments, play an important role in the reproducibility of the TL in this system.

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Author notes

  1. W. C. Las

    Present address: Instituto de Pesquisas Energeticas e Nucleares, Pinheiros, CP 11049, Sao Paulo, SP, Brazil

Authors and Affiliations

  1. Division of Metallurgical Engineering, University of Washington, 98195, Seattle, WA, USA

    W. C. Las & T. G. Stoebe

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  1. W. C. Las
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  2. T. G. Stoebe
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Las, W.C., Stoebe, T.G. Effects of the equilibrium concentration of impurities on the reproducibility of thermoluminescence in MgO. J Mater Sci 16, 1191–1196 (1981). https://doi.org/10.1007/BF01033831

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  • DOI: https://doi.org/10.1007/BF01033831

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