Non-universality of the TL-LET response in thermoluminescent Li2B4O7: The effect of batch composition

Y. S. Horowitz, I. Fraier, J. Kalefezra, H. Pinto, Z. Goldbart

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Two batches of Li2B4O7: Mn thermoluminescent bulb dosimeter (TLD-800; Harsaws) were irradiated with monoenergetic meV neutrons and the relative thermoluminescent production efficiency, η, was found to be batch dependent with η1 = 0.775±0.007 and η2 = 1.105±0.017. Spectrochemical analysis reveals large variations in the concentrations of Al and Si between the two batches. We have recently observed similar effects in thermoluminescent LiF. The relative thermoluminescent response of both LiF and Li2B4O7 is apparently extremely sensitive to ppm concentration variations of various TL co-activators or to other unknown physical or chemical characteristics.

Original languageEnglish
Pages (from-to)27-30
Number of pages4
JournalNuclear Instruments and Methods
Volume165
Issue number1
DOIs
StatePublished - 15 Sep 1979

ASJC Scopus subject areas

  • General Medicine

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