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Gadolinium oxide single crystals: Optical properties and radiation resistance Научная публикация

Журнал Optical Materials
ISSN: 1873-1252 , E-ISSN: 0925-3467
Вых. Данные Год: 2023, Том: 141, Номер статьи : 113966, Страниц : 8 DOI: 10.1016/j.optmat.2023.113966
Авторы Pustovarov V.A. 1 , Nikolaev R.E. 2 , Trifonov V.A. 2 , Tarasenko M.S. 2 , Dhoble S.J. 3 , Tavrunov D.A. 1 , Naumov N.G. 2
Организации
1 Ural Federal University, 19 Mira Str., Ekaterinburg, 620002, Russia
2 Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090, Novosibirsk, Russia
3 Department of Physics, R.T.M. Nagpur University, Nagpur, 440033, India

Информация о финансировании (1)

1 Российский научный фонд 22-43-02079

Реферат: Large-size high optical quality Gd2O3 single crystals were grown from solution at T = 1145 °C by Czochralski method. XRD analysis showed that the crystal structure is characterized by a single cubic phase (С-phase). Absorption spectra and luminescence properties of Gd2O3 doped with impurity Tb3+ ion were studied. The absorption spectrum is determined by electronic transitions in Gd3+ ion (spectral region of 245–315 nm) and interband electron transitions below 240 nm. Intraconfigurational radiative f-f transitions from 5D4 level in Tb3+ ion are clearly manifested upon both UV- and X-ray excitation. At the same time, 6PJ → 8S7/2 radiative transitions in Gd3+ ions are completely absent. This fact indicates high efficiency of nonradiative energy transfer from Gd3+ to Tb3+ ions. Thermo-luminescent spectroscopy shows the absence of charge carrier trapping centers, which proves the perfection of its crystal structure. The crystal under study shows high radiation resistance to high-energy (E = 10 MeV, D = 105 kGy) electron beam. However, the effects of irradiation appear only in the photoluminescence excitation spectra and thermally stimulated luminescence.
Библиографическая ссылка: Pustovarov V.A. , Nikolaev R.E. , Trifonov V.A. , Tarasenko M.S. , Dhoble S.J. , Tavrunov D.A. , Naumov N.G.
Gadolinium oxide single crystals: Optical properties and radiation resistance
Optical Materials. 2023. V.141. 113966 :1-8. DOI: 10.1016/j.optmat.2023.113966 WOS Scopus OpenAlex
Даты:
Поступила в редакцию: 24 мар. 2023 г.
Принята к публикации: 26 мая 2023 г.
Опубликована в печати: 30 мая 2023 г.
Опубликована online: 30 мая 2023 г.
Идентификаторы БД:
Web of science: WOS:001012556500001
Scopus: 2-s2.0-85162768839
OpenAlex: W4378966061
Цитирование в БД:
БД Цитирований
Scopus 5
Web of science 4
OpenAlex 4
Альметрики: