Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals
Thermallystimulated luminescence (TSL) of SrB₄О₇:Eu²⁺ single crystals irradiated with у and X-ray quanta has been studied for the first time and compared with that of SrB₄О₇ crystals. The induced optical absorption in the 400 to 700 nm region has been ascribed to 1s → 2р transitions of F⁺ center...
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НТК «Інститут монокристалів» НАН України
2006
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Zitieren: | Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals / R.P. Yavetskiy, E.F. Dolzhenkova, A.V. Tolmachev, S.V. Parkhomenko, V.N. Baumer // Functional Materials. — 2006. — Т. 13, № 1. — С. 39-43. — Бібліогр.: 19 назв. — англ. |
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irk-123456789-1394982018-06-21T03:06:08Z Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals Yavetskiy, R.P. Dolzhenkova, E.F. Tolmachev, A.V. Parkhomenko, S.V. Baumer, V.N. Thermallystimulated luminescence (TSL) of SrB₄О₇:Eu²⁺ single crystals irradiated with у and X-ray quanta has been studied for the first time and compared with that of SrB₄О₇ crystals. The induced optical absorption in the 400 to 700 nm region has been ascribed to 1s → 2р transitions of F⁺ centers. The Eu²⁺ ions have been shown to act simultaneously as traps and as radiative recombination of charge carriers. Basing on the TSL, optical absorption, and photoluminescence studies of SrB₄О₇:Eu²⁺ single crystals, a TSL mechanism has been proposed associated with the decay of F⁺ centers being in non-equivalent crystallographic positions followed by radiative recombination of charge carriers on europium ions. Possible positions of the localization of radiation-induced defects in the SrB₄О₇ crystal structure has been discussed. Впервые изучена термостимулированная люминесценция монокристаллов SrB₄О₇:Eu²⁺, облученных гамма и рентгеновскими квантами, в сравнении с монокристаллами SrB₄О₇. Наведенное оптическое поглощение в области λ = 400-700 нм приписано 1s → 2р переходам F⁺-центров. Показано, что ионы Eu²⁺ одновременно выступают ловушками, а также центрами излучательной рекомбинации носителей заряда. На основании изучения ТСЛ, оптического поглощения и фотолюминесценции монокристаллов SrB₄О₇:Eu²⁺ предложен механизм ТСЛ, связанный с распадом F⁺-центров, находящихся в неэквивалентных кристаллографических позициях, с последующей излучательной рекомбинацией носителей заряда на ионах европия. Обсуждаются возможные позиции локализации радиационных дефектов в кристаллической структуре SrB₄О₇. Вперше вивчено термостимульовану люмiнесценцiю монокристалiв SrB₄О₇:Eu²⁺, опромiнених гама та рентгенiвськими квантами, у порiвняннi з монокристалами SrB₄О₇. Наведене оптичне поглинання в областi λ = 400-700 нм приписано 1s → 2р переходам F⁺-центрiв. Показано, що iони Eu²⁺ одночасно виступають пастками, а також центрами випромiнювальної рекомбiнацiї носiїв заряду. На основi вивчення ТСЛ, оптичного поглинання i фотолюмiнесценцiї монокристалiв SrB₄О₇:Eu²⁺ запропоновано механiзм ТСЛ, пов'язаний з розпадом F⁺-центрiв, що знаходяться у нееквiвалентних кристалографiчних позицiях, з наступною випромiнювальною рекомбiнацiєю носiїв заряду на iонах європiю. Обговорюються можливi позицiї локалiзацiї радiацiйних дефектiв у кристалiчнiй структурi SrB₄О₇. 2006 Article Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals / R.P. Yavetskiy, E.F. Dolzhenkova, A.V. Tolmachev, S.V. Parkhomenko, V.N. Baumer // Functional Materials. — 2006. — Т. 13, № 1. — С. 39-43. — Бібліогр.: 19 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/139498 en Functional Materials НТК «Інститут монокристалів» НАН України |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine |
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DSpace DC |
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English |
description |
Thermallystimulated luminescence (TSL) of SrB₄О₇:Eu²⁺ single crystals irradiated with
у and X-ray quanta has been studied for the first time and compared with that of SrB₄О₇ crystals. The induced optical absorption in the 400 to 700 nm region has been ascribed to
1s → 2р transitions of F⁺ centers. The Eu²⁺ ions have been shown to act simultaneously as traps and as radiative recombination of charge carriers. Basing on the TSL, optical absorption, and photoluminescence studies of SrB₄О₇:Eu²⁺ single crystals, a TSL mechanism has been proposed associated with the decay of F⁺ centers being in non-equivalent crystallographic positions followed by radiative recombination of charge carriers on europium ions. Possible positions of the localization of radiation-induced defects in the SrB₄О₇ crystal structure has been discussed. |
format |
Article |
author |
Yavetskiy, R.P. Dolzhenkova, E.F. Tolmachev, A.V. Parkhomenko, S.V. Baumer, V.N. |
spellingShingle |
Yavetskiy, R.P. Dolzhenkova, E.F. Tolmachev, A.V. Parkhomenko, S.V. Baumer, V.N. Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals Functional Materials |
author_facet |
Yavetskiy, R.P. Dolzhenkova, E.F. Tolmachev, A.V. Parkhomenko, S.V. Baumer, V.N. |
author_sort |
Yavetskiy, R.P. |
title |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals |
title_short |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals |
title_full |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals |
title_fullStr |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals |
title_full_unstemmed |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals |
title_sort |
thermostimulated luminescence of srb₄o₇:eu²⁺ single crystals |
publisher |
НТК «Інститут монокристалів» НАН України |
publishDate |
2006 |
url |
http://dspace.nbuv.gov.ua/handle/123456789/139498 |
citation_txt |
Thermostimulated luminescence of SrB₄O₇:Eu²⁺ single crystals / R.P. Yavetskiy, E.F. Dolzhenkova, A.V. Tolmachev, S.V. Parkhomenko, V.N. Baumer // Functional Materials. — 2006. — Т. 13, № 1. — С. 39-43. — Бібліогр.: 19 назв. — англ. |
series |
Functional Materials |
work_keys_str_mv |
AT yavetskiyrp thermostimulatedluminescenceofsrb4o7eu2singlecrystals AT dolzhenkovaef thermostimulatedluminescenceofsrb4o7eu2singlecrystals AT tolmachevav thermostimulatedluminescenceofsrb4o7eu2singlecrystals AT parkhomenkosv thermostimulatedluminescenceofsrb4o7eu2singlecrystals AT baumervn thermostimulatedluminescenceofsrb4o7eu2singlecrystals |
first_indexed |
2025-07-10T08:23:26Z |
last_indexed |
2025-07-10T08:23:26Z |
_version_ |
1837247560119484416 |
fulltext |
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