Thermoluminescence Mechanism In Li2B407:Cu

Samples of Li2O.2B2O3 doped with CuO have been produced by melting appropriate mixtures of Li2CO3 and H3BO3 at 980 oC and then quenching to room temperature. Glasses thus obtained were devitrified. The absorption spectra of non-irradiated and irradiated samples indicate that ? radiation changes Cu2+...

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Bibliographic Details
Published in:Radiation protection dosimetry 1996-06, Vol.65 (1-4), p.79-82
Main Authors: Watanabe, S., Chinaglia, E.F., Nascimento, M.L.F., Matsuoka, M.
Format: Article
Language:English
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Summary:Samples of Li2O.2B2O3 doped with CuO have been produced by melting appropriate mixtures of Li2CO3 and H3BO3 at 980 oC and then quenching to room temperature. Glasses thus obtained were devitrified. The absorption spectra of non-irradiated and irradiated samples indicate that ? radiation changes Cu2+ into Cu+. ESR spectra of Cu-doped lithium borate exhibits the typical BOHC centres, 'five-line-plus-a-shoulder' between the ±¹/2Mn-lines. It is proposed that by heating the Cu-doped lithium borate, BOHC has an important role in the TL emission process.
ISSN:0144-8420
1742-3406
DOI:10.1093/oxfordjournals.rpd.a031687