Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events

Large volume ZnWO₄ scintillator with improved performance characteristics have been obtained. Due to its favorable light yield values at low temperatures and extremely low intrinsic radioactivity, zinc tungstate is a material of very good prospects for cryogenic double beta-decay and dark matter exp...

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Бібліографічні деталі
Дата:2009
Автори: Nagornaya, L.L., Dubovik, A.M., Grinyov, B.V., Katrunov, K.A., Tupitsyna, I.A., Vostretsov, Yu.Ya.
Формат: Стаття
Мова:English
Опубліковано: НТК «Інститут монокристалів» НАН України 2009
Назва видання:Functional Materials
Теми:
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/136601
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events // L.L. Nagornaya, A.M. Dubovik, B.V. Grinyov, K.A. Katrunov, I.A. Tupitsyna, Yu.Ya. Vostretsov // Functional Materials. — 2009. — Т. 16, № 1. — С. 54-58. — Бібліогр.: 11 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-1366012018-06-17T03:09:21Z Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events Nagornaya, L.L. Dubovik, A.M. Grinyov, B.V. Katrunov, K.A. Tupitsyna, I.A. Vostretsov, Yu.Ya. Technology Large volume ZnWO₄ scintillator with improved performance characteristics have been obtained. Due to its favorable light yield values at low temperatures and extremely low intrinsic radioactivity, zinc tungstate is a material of very good prospects for cryogenic double beta-decay and dark matter experiments. The ZnMoO₄ single crystals were produced for the first time using Czochralski technique. The suitability of this material for cryogenic rare event search experiments has been studied and identified the ways to improve the scintillation properties of the crystal have been outlined. The manufacturing methods of MgWO₄ crystals have been investigated and the manufacturing possibility by pulling from the solution-melt on a seed has been established. The experimental MgWO₄ single crystals of ca. 1 cm³ volume have been prepared for the first time and the luminescence and scintillation characteristics thereof have been measured. Отримано сцинтилятори ZnWO₄ великого об'єму з поліпшеними характеристиками. Хороші параметри світлового виходу в області низьких температур і виключно низька власна радіоактивність роблять вольфрамат цинку одним з найперспективніших матеріалів для кріогенних експериментів з пошуку подвійного бета-розпаду і темної матерії. Вперше отримано монокристали ZnMoO₄ методом Чохральського. Досліджено можливість використання цього матеріала для кріогенних експериментів з пошуку рідкісних подій та намічено шляхи поліпшення сцинтиляційних характеристик. Досліджено методи отримання кристалів MgWO₄, встановлено принципову можливість вирощування об'ємних кристалів методом витягування з розчину у розплаві на затравку. Вперше отримано експериментальні зразки монокристалів MgWO₄ об'ємом ~1 см³ і виміряно їх люмінесцентні та сцинтиляційні характеристики. Получены сцинтилляторы ZnWO₄ большого объема с улучшенными характеристиками. Хорошие параметры светового выхода в области низких температур и исключительно низкая собственная радиоактивность делают вольфрамат цинка одним из самых перспективных материалов для криогенных экспериментов по поиску двойного бетараспада и темной материи. Впервые получены монокристаллы ZnMoO₄ методом Чохральского. Исследована возможность использования этого материала для криогенных экспериментов по поиску редких событий и намечены пути улучшения сцинтилляционных характеристик. Исследованы методы получения кристаллов MgWO₄, естановлена принципиальная возможность выращивания объемных кристаллов методом вытягивания из раствора в расплаве на затравку. Впервые получены экспериментальные образцы монокристаллов MgWO₄ объемом ~1 см³ и измерены их люминесцентные и сцинтилляционные характеристики. 2009 Article Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events // L.L. Nagornaya, A.M. Dubovik, B.V. Grinyov, K.A. Katrunov, I.A. Tupitsyna, Yu.Ya. Vostretsov // Functional Materials. — 2009. — Т. 16, № 1. — С. 54-58. — Бібліогр.: 11 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/136601 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Technology
Technology
spellingShingle Technology
Technology
Nagornaya, L.L.
Dubovik, A.M.
Grinyov, B.V.
Katrunov, K.A.
Tupitsyna, I.A.
Vostretsov, Yu.Ya.
Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
Functional Materials
description Large volume ZnWO₄ scintillator with improved performance characteristics have been obtained. Due to its favorable light yield values at low temperatures and extremely low intrinsic radioactivity, zinc tungstate is a material of very good prospects for cryogenic double beta-decay and dark matter experiments. The ZnMoO₄ single crystals were produced for the first time using Czochralski technique. The suitability of this material for cryogenic rare event search experiments has been studied and identified the ways to improve the scintillation properties of the crystal have been outlined. The manufacturing methods of MgWO₄ crystals have been investigated and the manufacturing possibility by pulling from the solution-melt on a seed has been established. The experimental MgWO₄ single crystals of ca. 1 cm³ volume have been prepared for the first time and the luminescence and scintillation characteristics thereof have been measured.
format Article
author Nagornaya, L.L.
Dubovik, A.M.
Grinyov, B.V.
Katrunov, K.A.
Tupitsyna, I.A.
Vostretsov, Yu.Ya.
author_facet Nagornaya, L.L.
Dubovik, A.M.
Grinyov, B.V.
Katrunov, K.A.
Tupitsyna, I.A.
Vostretsov, Yu.Ya.
author_sort Nagornaya, L.L.
title Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
title_short Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
title_full Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
title_fullStr Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
title_full_unstemmed Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
title_sort research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events
publisher НТК «Інститут монокристалів» НАН України
publishDate 2009
topic_facet Technology
url http://dspace.nbuv.gov.ua/handle/123456789/136601
citation_txt Research and development of alkali earth tungstate and molybdate crystal scintillators for search for rare events // L.L. Nagornaya, A.M. Dubovik, B.V. Grinyov, K.A. Katrunov, I.A. Tupitsyna, Yu.Ya. Vostretsov // Functional Materials. — 2009. — Т. 16, № 1. — С. 54-58. — Бібліогр.: 11 назв. — англ.
series Functional Materials
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last_indexed 2025-07-10T01:43:10Z
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