A method for analysis of complex thermoluminescence peaks: 141 K peak in LiF as an example

Undoped LiF crystals have been studied by thermoluminescence (TL) methods in the temperature range of 80 to 200 К. А method for analysis of complex thermoluminescence peaks has been proposed taking the broad 141 К TL peak as an example. The method enables to establish the cause of the peak broadenin...

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Datum:2006
Hauptverfasser: Gumenjuk, A.F., Kutovyi, S.Yu.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2006
Schriftenreihe:Functional Materials
Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/139959
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:A method for analysis of complex thermoluminescence peaks: 141 K peak in LiF as an example / A.F. Gumenjuk, S.Yu. Kutovyi // Functional Materials. — 2006. — Т. 13, № 1. — С. 173-178. — Бібліогр.: 11 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Zusammenfassung:Undoped LiF crystals have been studied by thermoluminescence (TL) methods in the temperature range of 80 to 200 К. А method for analysis of complex thermoluminescence peaks has been proposed taking the broad 141 К TL peak as an example. The method enables to establish the cause of the peak broadening, that is, to establish if the peak is elementary one (emitted according to quadratic kinetics) or a complex peak formed by several closely positioned elementary peaks forming a common maximum. The 141 К TL peak has been shown to consist of several simple peaks. The low-temperature component results from superposition of two or more peaks while the high-temperature one is an elementary peak (Тₘₐₓ - 145 К) with linear decay kinetics. On the high temperature shoulder of this peak, a low intensity peak with a maximum at about 160 К is present. The trap activation energies are determined for the 141 К peak taking its structure into account.