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Luminescence and OSL study of the inorganic compounds Tl-doped (NH4)2BeF4 and (NH4)2SiF6 |
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| Authors: | N. J. M. Le Masson Z. Czapla A. J. J. Bos J. C. Brouwer C. W. E. van Eijk |
| Affiliation: | a Delft University of Technology, IRI, Mekelweg 15, Delft 2629 JB, The Netherlands b Institute of Experimental Physics, University of Wroclaw, M Borna 9, Wroclaw PL-50204, Poland |
| Abstract: | The search of materials with efficient optically stimulated luminescence (OSL) properties and a high hydrogen content for fast neutron dosimetry has led to the development of Tl+-doped ammonium salts (NH4)2SiF6 and (NH4)2BeF4. Preliminary OSL studies have shown that the OSL in (NH4)2SiF6:Tl+ and (NH4)2BeF4:Tl+is efficient. In order to optimise the OSL emission and its detection, the identification of the luminescent centres in the OSL process is necessary. This study focuses on the identification of the luminescent centres associated with Tl+ based on optical studies in the vacuum UV (VUV) at different temperatures. |
| Keywords: | (NH4)2SiF6 Thallium luminescence OSL |
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