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http://earchive.tpu.ru/handle/11683/64799| Title: | Influence of color centers on the luminescent response of radiation-damaged CsI: Tl crystal |
| Authors: | Yakovlev, Viktor Yurjevich Trefilova, Larisa Nikolaevna Alekseev, Vadim Aleksandrovich Karnaukhova, Anna Alekseevna Shpilinskaya, Olga Viktorovna Lebedinsky, Aleksey Mikhaylovich Tarakhno, Aleksey Mikhaylovich |
| Keywords: | йодиды; ущерб; люминесценция; передача энергии |
| Issue Date: | 2018 |
| Publisher: | Institute for Single Crystals |
| Citation: | Influence of color centers on the luminescent response of radiation-damaged CsI: Tl crystal / V. Yu. Yakovlev [et al.] // Functional Materials. — 2018. — Vol. 25, No. 1. — [P. 13-20]. |
| Abstract: | Luminescence properties of Tl0va+ and Tl+vc- color centers induced by irradiation in CsI:Tl crystal are studied within a temperature range of 80-300 K. It is found, that electron Tl0va+ and hole Tl+vc- color centers arising due to radiation damage do not reduce conversion efficiency of CsI:Tl crystal, but participate in scintillation process to get energy from Tl+ centers by resonance. Degradation of the light yield of the irradiated CsI:Tl crystal is caused by the radiative energy transfer from Tl+ to Tl0va+ centers, whose emission is quenched at temperature above 210 K. Non-radiative energy transfer from Tl+to Tl+vc- centers results in long-wave spectral shift and the duration increase of the scintillation pulse. |
| URI: | http://earchive.tpu.ru/handle/11683/64799 |
| Appears in Collections: | Репринты научных публикаций |
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|---|---|---|---|---|
| reprint-nw-25612.pdf | 920,85 kB | Adobe PDF | View/Open |
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