Luminescence response of CsI:Na to electron pulse irradiation; Radiation Measurements; Vol. 51-52
| Parent link: | Radiation Measurements Vol. 51-52.— 2013.— [P. 13-17] |
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| Yhteisötekijä: | |
| Muut tekijät: | , , , |
| Yhteenveto: | Title screen This paper investigates the influence of activator concentration and temperature on the scintillation process in CsI:Na crystal which was excited by a pulsed electron beam (Eex = 0.25 MeV, t1/2 = 15 ns, W = 0.003…0.16 J/cm2) at temperature within 77-300 K. It has been established that the transition of Na-bound two halide exciton from singlet state causes 3 eV emission of CsI:Na. The capturing of Vk by Na+ ion determines the scintillation pulse shape. Thermal liberation of Vk from VkA centers results in an inertial rise of the emission pulse in lightly activated CsI:Na and in a mono-exponential decay of the emission pulse in heavily activated CsI:Na. The value of thermal dissociation energy of VkA centers is 0.24 ± 0.01 eV, which was obtained from the temperature dependences of the emission decay time constant for CsI:2.8∙10−3%Na and of the rise time constant for CsI:2.0∙10−4%Na. Режим доступа: по договору с организацией-держателем ресурса |
| Kieli: | englanti |
| Julkaistu: |
2013
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| Aiheet: | |
| Linkit: | http://dx.doi.org/10.1016/j.radmeas.2013.01.003 |
| Aineistotyyppi: | Elektroninen Kirjan osa |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652820 |
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| 200 | 1 | |a Luminescence response of CsI:Na to electron pulse irradiation |f V. Yu. Yakovlev [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a This paper investigates the influence of activator concentration and temperature on the scintillation process in CsI:Na crystal which was excited by a pulsed electron beam (Eex = 0.25 MeV, t1/2 = 15 ns, W = 0.003…0.16 J/cm2) at temperature within 77-300 K. It has been established that the transition of Na-bound two halide exciton from singlet state causes 3 eV emission of CsI:Na. The capturing of Vk by Na+ ion determines the scintillation pulse shape. Thermal liberation of Vk from VkA centers results in an inertial rise of the emission pulse in lightly activated CsI:Na and in a mono-exponential decay of the emission pulse in heavily activated CsI:Na. The value of thermal dissociation energy of VkA centers is 0.24 ± 0.01 eV, which was obtained from the temperature dependences of the emission decay time constant for CsI:2.8∙10−3%Na and of the rise time constant for CsI:2.0∙10−4%Na. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Radiation Measurements | ||
| 463 | |t Vol. 51-52 |v [P. 13-17] |d 2013 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a сцинтилляционные кристаллы | |
| 701 | 1 | |a Yakovlev |b V. Yu. |c specialist in the field of lightning engineering |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1949- |g Viktor Yurjevich |3 (RuTPU)RU\TPU\pers\35728 |9 18886 | |
| 701 | 1 | |a Trefilova |b L. N. |g Larisa Nikolaevna | |
| 701 | 1 | |a Karnaukhova |b A. A. |c specialist in the field of lightning engineering |c Assistant, Associate Professor of Tomsk Polytechnic University |f 1983- |g Anna Alekseevna |3 (RuTPU)RU\TPU\pers\37830 |9 20534 | |
| 701 | 1 | |a Ganzha |b Yu. S. |g Yury Sergeevich | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Институт неразрушающего контроля (ИНК) |b Проблемная научно-исследовательская лаборатория электроники, диэлектриков и полупроводников (ПНИЛ ЭДиП) |3 (RuTPU)RU\TPU\col\19033 |
| 801 | 2 | |a RU |b 63413507 |c 20170206 |g RCR | |
| 856 | 4 | |u http://dx.doi.org/10.1016/j.radmeas.2013.01.003 | |
| 942 | |c CF | ||