Thermoluminescence and optically stimulated luminescence of gamma‐irradiated mineral zircon | Zendy

Secu M. | Zendy; Vainshtein D. | Zendy; Turkin A. A. | Zendy; den Hartog H. W. | Zendy

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Thermoluminescence and optically stimulated luminescence of gamma‐irradiated mineral zircon

Author(s) -

Secu M.,

Vainshtein D.,

Turkin A. A.,

den Hartog H. W.

Publication year - 2007

Publication title -

physica status solidi c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 46

eISSN - 1610-1642

pISSN - 1862-6351

DOI - 10.1002/pssc.200673738

Subject(s) - thermoluminescence , luminescence , zircon , optically stimulated luminescence , irradiation , recombination , materials science , ion , electron , radiochemistry , mineralogy , analytical chemistry (journal) , chemistry , optoelectronics , physics , geology , geochemistry , nuclear physics , chromatography , biochemistry , organic chemistry , gene

Thermoluminescence (TL) manifested by gamma‐irradiated mineral zircon has shown a strong TL peak at about 165 °C which is due to recombination of electrons and Dy 3+ related shallow hole traps. After they have been removed by a short preheat we have observed two TL peaks at 300‐320 °C and ≈420 °C, which are mainly due to recombination of electrons and Tb 3+ related hole traps centres yielding its characteristic luminescence. The experimental results indicate that optically stimulated luminescence (OSL) is due to luminescent emission of Tb 3+ ions and [SiO 4 ] 4– groups. The deep traps related to the 420 °C TL peak contribute to the Tb 3+ related OSL. The deep traps related to the 300‐320 °C TL peak contribute to OSL associated with the luminescent emission of [SiO 4 ] 4– groups. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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