Thermoluminescent properties of mica

N. Kristianpoller, Y. Kirsh, S. Shoval, D. Weiss, R. Chen

Research output: Contribution to journalArticlepeer-review

Abstract

Natural as well as β-induced thermoluminescence (TL) of mica of the muscovite type KAl2(AlSi3O10)(OH)2 was investigated. Two main glow peaks were found, as about 150° and 260°C. The 260°C peak is the prominent one in the natural TL curve while the 150°C peak is dominant in the laboratory induced TL. Both curves could be interpreted in terms of two traps with activation energies of 0.75 and 0.97 eV, which are exhausted through a second order process. u.v. phototransfer experiments indicated the existence of additional, deeper traps, undetectable by the regular TL measurements. Dose dependence studies showed a slightly superlinear behaviour. Possible applications to dating in archeology are discussed.

Original languageEnglish
Pages (from-to)101-104
Number of pages4
JournalInternational Journal of Radiation Applications and Instrumentation. Part
Volume14
Issue number1-2
DOIs
StatePublished - 1988

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