Energy transfer mechanism in CsI:Eu crystal; Journal of Luminescence; Vol. 148
| Parent link: | Journal of Luminescence Vol. 148.— 2014.— [P. 274-276] |
|---|---|
| Autor Corporativo: | |
| Outros autores: | , , , , |
| Summary: | Title screen This paper studies the scintillation process in CsI:Eu crystal exposed to the pulse electron irradiation (E=0.25 MeV, t1/2=15 ns and W=0.003 J/cm2). It has been proved that the energy transfer from the lattice to Eu2+ ions in CsI:Eu occurs through the re-absorption of STE emission. The proposed model rests on the following experimental facts: (1) the activator emission at 2.68 eV rises gradually after the decay of the excitation pulse even at temperature lower than 90 K when Vk centers are immobile; (2) the rise time of 2.68 eV emission and the decay time of STE emission have the same temperature dependences at T=78-300 K; (3) the excitation spectrum of 2.68 eV emission overlaps the emission spectrum of STE. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | inglés |
| Publicado: |
2014
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| Subjects: | |
| Acceso en liña: | http://dx.doi.org/10.1016/j.jlumin.2013.12.020 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652817 |
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| 200 | 1 | |a Energy transfer mechanism in CsI:Eu crystal |f V. Yu. Yakovlev [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 12 tit.] | ||
| 330 | |a This paper studies the scintillation process in CsI:Eu crystal exposed to the pulse electron irradiation (E=0.25 MeV, t1/2=15 ns and W=0.003 J/cm2). It has been proved that the energy transfer from the lattice to Eu2+ ions in CsI:Eu occurs through the re-absorption of STE emission. The proposed model rests on the following experimental facts: (1) the activator emission at 2.68 eV rises gradually after the decay of the excitation pulse even at temperature lower than 90 K when Vk centers are immobile; (2) the rise time of 2.68 eV emission and the decay time of STE emission have the same temperature dependences at T=78-300 K; (3) the excitation spectrum of 2.68 eV emission overlaps the emission spectrum of STE. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Journal of Luminescence | ||
| 463 | |t Vol. 148 |v [P. 274-276] |d 2014 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
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| 701 | 1 | |a Trefilova |b L. N. |g Larisa Nikolaevna | |
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| 701 | 1 | |a Alekseev |b V. D. |g Vadim Dmitrievich | |
| 701 | 1 | |a Kosinov |b N. N. |g Nikolay Nikolaevich | |
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