White light-emitting diodes for optical stimulation of aluminium oxide in OSL dosimetry / Surdo A. I.,Milman I. I.,Vlasov M. I. // RADIATION MEASUREMENTS. - 2013. - V. 59, l. . - P. 188-192.

ISSN/EISSN:

1350-4487 / нет данных

Type:

Article

Abstract:

The results of comparative investigations into the optically stimulated luminescence (OSL) of anion-defective corundum excited by radiation of blue and white light-emitting diodes (LEDs) are reported. The continuous-wave OSL (CW-OSL) measurements showed that the white LED (compared to the blue LED) and the chosen geometry allow the amplitude of the OSL response to increase by a factor of more than 40 and the dosimetric information readout time to decrease by a factor of 20. The effect of deep traps on the behavior of the CW-OSL curves of anion-defective corundum was studied. It was found that the filling of deep traps essentially increases the TL yield with a dosimetric peak at 450 K and the CW-OSL-yield under stimulation with blue and white LEDs. It was also found that this filling causes a considerable change in the shape of the OSL curve and the time parameters of the decay. (C) 2013 Elsevier Ltd. All rights reserved.

Author keywords:

Anion-defective corundum; Sources for optical stimulation; Optically stimulated luminescence; Thermoluminescence; Deep traps LUMINESCENCE; CRYSTALS; THERMOLUMINESCENCE; ALPHA-AL2O3; CENTERS

DOI:

10.1016/j.radmeas.2013.05.005

Web of Science ID:

ISI:000329421700029

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	DEC
Publisher	PERGAMON-ELSEVIER SCIENCE LTD
Address	THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Language	English
Keywords-Plus	LUMINESCENCE; CRYSTALS; THERMOLUMINESCENCE; ALPHA-AL2O3; CENTERS
Research-Areas	Nuclear Science \& Technology
Web-of-Science-Categories	Nuclear Science \& Technology
Author-Email	Surdo@ecko.uran.ru
ResearcherID-Numbers	Vlasov, Maxim/M-1739-2016
Funding-Acknowledgement	Presidium of the Ural Branch of the Russian Academy of Sciences {[}12-U-2-1032]; Russian Foundation for Basic Research {[}12-08-31186]
Funding-Text	This work was supported by Presidium of the Ural Branch of the Russian Academy of Sciences (project no. 12-U-2-1032) and by the Russian Foundation for Basic Research (project no. 12-08-31186).
Number-of-Cited-References	12
Usage-Count-Since-2013	4
Journal-ISO	Radiat. Meas.
Doc-Delivery-Number	285UY