2016
DOI: 10.1016/j.radmeas.2016.02.015
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Dosimetric phosphor based on oxygen-deficient alumina ceramics

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Cited by 16 publications
(3 citation statements)
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“…It has been shown that it is possible to create oxygen vacancies in its crystalline lattice by irradiating pure crystals with heavy ions [3], neutrons [4], electrons [5], gamma rays [6] as well as by vacuum heating polycrystalline alumina powder [7]; the vacancies act as color centers, giving rise to characteristic absorption bands at energies below the bandgap [8]. The interaction of color centers with UV light makes alumina interesting also for optoelectronics applications, both in radiation detection [9] and in data storage [10,11]. Excitation, lifetime and decay pathways of excited states of the most common oxygen vacancies in alumina have been studied by photoluminescence [12] and cathodoluminescence [13].…”
Section: Introductionmentioning
confidence: 99%
“…It has been shown that it is possible to create oxygen vacancies in its crystalline lattice by irradiating pure crystals with heavy ions [3], neutrons [4], electrons [5], gamma rays [6] as well as by vacuum heating polycrystalline alumina powder [7]; the vacancies act as color centers, giving rise to characteristic absorption bands at energies below the bandgap [8]. The interaction of color centers with UV light makes alumina interesting also for optoelectronics applications, both in radiation detection [9] and in data storage [10,11]. Excitation, lifetime and decay pathways of excited states of the most common oxygen vacancies in alumina have been studied by photoluminescence [12] and cathodoluminescence [13].…”
Section: Introductionmentioning
confidence: 99%
“…Кортов... вание в восстановительной среде, в частности, в присутствии углерода. Данный способ ранее успешно применялся для синтеза ультрадис-персных люминесцирующих керамик на основе оксидов алюминия и магния [3,4]. Известны работы, в которых исследовалось влияние на люминесцентные свойства ZrO 2 термохимического окрашивания при низком парциальном давлении кислорода [5], а также в среде H 2 /Ar [1].…”
Section: поступило в редакцию 11 июля 2017 гunclassified
“…Наиболее распространенным оптическим материалом, применяемым в белых светодиодах, является YAG керамика, активированная ионами Ce 3+ , благодаря ее превосходным механическим, термическим и химическим свойствам [12][13][14][15]. Керамика YAG : Ce 3+ может быть получена традиционными методами прессования с последующим спеканием в атмосфере воздуха или в вакууме [16][17][18]. Выбор подходящей технологии прессования под давлением имеет решающее значение для спекания люминесцентной керамики.…”
Section: Introductionunclassified