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1.
Всероссийская конференция "Комбинационное
рассеяние - 85 лет исследований" и 4-й Сибирский семинар "Спектроскопия комбинационного рассеяния света" : тезисы докл. / Рос. акад. наук ; сопредс. прогр. ком.: В. Ф. Шабанов, В. С. Горелик ; чл. орг. ком.: А. Н. Втюрин [и др.]. - Красноярск : ИФ СО РАН, 2013. - 70 с. - Авт. указ. - Адреса участников. - 100 экз. - Б. ц.
Содержание:
Архипкин, Василий Григорьевич. Оптический транзистор на основе фотонного кристалла с рамановски усиливающим дефектом
/ В. Г. Архипкин, С. А. Мысливец. -
С
.26-27
Зиненко, Виктор Иванович. Динамика решетки, упругие и пьезоэлектрические свойства кристаллов HoFe3(BO3)
/ В. И. Зиненко. -
С
.40-41
Орешонков, Александр Сергеевич. Исследование структуры кристалла Ca2Al3O6 методами рентгеноструктурного анализа и колебательной спектроскопии
/ А. С. Орешонков [и др.]. -
С
.16-17
Другие авторы: Втюрин А. Н., Zhiguo Xia, Молокеев, Максим Сергеевич, Атучин В.В.
Орешонков, Александр Сергеевич. Исследование структуры кристалла Ca2Al3O6F методами рентгеноструктурного анализа и колебательной спектроскопии
/ А. С. Орешонков [и др.]. -
С
.16-17
Другие авторы: Втюрин А. Н., Zhiguo Xia, Молокеев, Максим Сергеевич, Атучин В. В.
Ершов, Александр Андреевич. Колебательные спектры кристалла MnGeO3 группы пироксена
/ А. А. Ершов [и др.]. -
С
.16
Другие авторы: Орешонков А. С., Герасимова Ю. В., Крылов, Александр Сергеевич, Иваненко, Александр Анатольевич, Шайхутдинов, Кирилл Александрович, Терентьев К. Ю., Михашонок Н.В., Втюрин, Александр Николаевич
Крылова, Светлана Николаевна. Исследования фазовых переходов, индуцированных гидростатическим давлением во фторсодержащих эльпасолитах
/ С. Н. Крылова [и др.]. -
С
.18
Другие авторы: Крылов А. С., Горяйнов С. В., Орешонков, Александр Сергеевич, Втюрин, Александр Николаевич
Герасимова, Юлия Валентиновна. Спектральные исследования углеродной структуры природных импактных алмазов Попигайской астроблемы
/ Ю. В. Герасимова [и др.]. -
С
.50
Другие авторы: Крылов А. С., Иваненко А. А., Втюрин, Александр Николаевич, Елисеев А. П., Александровский, Александр Сергеевич, Афанасьев В. П., Исакова, Алина Алексеевна
Герасимова, Юлия Валентиновна. Спектральные исследования углеродной структуры природных импактных алмазов Попигайской астроблемы
/ Ю. В. Герасимова [и др.]. -
С
.50
Другие авторы: Крылов А. С., Иваненко А. А., Втюрин, Александр Николаевич, Елисеев А. П., Александровский, Александр Сергеевич, Афанасьев В. П., Исакова А. А.
Корец, Анатолий Яковлевич. Использование оптических методов для исследования структуры алмазосодержащих частиц детонационного синтеза, подвергнутых механохимическому и тепловому воздействиям
/ А. Я. Корец [и др.]. -
С
.53
Другие авторы: Королькова И. В., Крылов А. С., Миронов Е. В., Рабчевский Е. В.
Втюрин, Александр Николаевич. Комбинационное рассеяние и фазовые переходы во фторидах со структурой эльпасолита
/ А. Н. Втюрин [и др.]. -
С
.14
Другие авторы: Крылов А. С., Крылова С. Н., Орешонков, Александр Сергеевич, Воронов, Владимир Николаевич
Крылов, Александр Сергеевич. Исследование фазового перехода в кристалле Rb2KMoO3F3: эффект управляемого беспорядка
/ А. С. Крылов [и др.]. -
С
.21-22
Другие авторы: Колесникова Е. М., Крылова С. Н., Втюрин, Александр Николаевич
Горяйнов, Сергей Владимирович. Сверхгидратация микропористых алюмосиликатных структур при высоких давлениях водной среды
/ С. В. Горяйнов [и др.]. -
С
.12
Другие авторы: Крылов А. С., Лихачева А. Ю., Втюрин, Александр Николаевич
Александровский, Александр Сергеевич.
Luminescence
spectra of Ho3+ in a monoclinic elpasolite
/ А. С. Александровский, А. С. Крылов, А. В. Малаховский [и др.] ; A. S. Aleksandrovsky [и др.]. -
С
.13
Другие авторы: Крылов А. С., Малаховский А. В., Voronov V. N., Molokeev M. S.
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,
Читать в сети ИФ
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Шабанов, Василий Филиппович \сопредс. прогр. ком.\; Shabanov, V. F.; Горелик, Владимир Семенович \сопредс. прогр. ком.\; Втюрин, Александр Николаевич \чл. орг. ком.\; Vtyurin, A. N.; Крылов, Александр Сергеевич \чл. орг. ком.\; Krylov, A. S.; Крылова, Светлана Николаевна \чл. орг. ком.\; Krylova, S. N.; Герасимова, Юлия Валентиновна \чл. орг. ком.\; Gerasimova, J. V.; Орешонков, Александр Сергеевич \чл. орг. ком.\; Oreshonkov, A. S.; Колесникова, Евгения Михайловна \чл. орг. ком.\; Kolesnikova, E. M.; Ершов, Александр Андреевич \чл. орг. ком.\; Ershov, A. A.; Руденко, Людмила Михайловна \чл. орг. ком.\; Втюрин, Александр Николаевич; Елисеев, Александр Павлович; Александровский, Александр Сергеевич; Афанасьев, В. П.; Исакова, Алина Алексеевна; Воронов, Владимир Николаевич; Molokeev, M. S.; Орешонков, Александр Сергеевич; Крылов, Александр Сергеевич; Иваненко, Александр Анатольевич; Шайхутдинов, Кирилл Александрович; Терентьев, Константин Юрьевич; Михашенок, Наталья Владимировна; Атучин, Виктор Валерьевич; Миронов, Е. В.; Рабчевский, Е. В.; Российская академия наук; Научный совет по физике конденсированных сред РАН; Научный совет по спектроскопии атомов и молекул РАН; Сибирское отделение РАН; Объединенный ученый совет по физическим наукам СО РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН; Сибирский семинар по спектроскопии комбинационного рассеяния света (4 ; 2013 ; авг. ; 26-29 ; Красноярск); "Спектроскопия комбинационного рассеяния света", сибирский семинар (4 ; 2013 ; авг. ; 26-29 ; Красноярск)
Свободных экз. нет
}
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2.
Всероссийская конференция "Комбинационное
рассеяние - 85 лет исследований" и 4-й Сибирский семинар "Спектроскопия комбинационного рассеяния света" : Тезисы докл. / Рос. акад. наук [и др.] ; сопредс. прогр. ком.: В. Ф. Шабанов, В. С. Горелик ; чл. орг. ком. А. Н. Втюрин [и др.]. - Красноярск : ИФ СО РАН, 2013. - 70 с. - Авт. указ. - Адреса участников. - 100 экз. -
ISBN
978-5-904603-02-1 : Б. ц.
Содержание:
Архипкин, Василий Григорьевич. Оптический транзистор на основе фотонного кристалла с рамановски усиливающим дефектом
/ В. Г. Архипкин, С. А. Мысливец. -
С
.26-27
Зиненко, Виктор Иванович. Динамика решетки, упругие и пьезоэлектрические свойства кристаллов HoFe3(BO3)
/ В. И. Зиненко. -
С
.40-41
Aleksandrovsky, A. S.
Luminescence
spectra of Ho3+ in a monoclinic elpasolite
/ A. S. Aleksandrovsky [и др.]. -
С
.13
Другие авторы: Krylov A. S., Malakhovskii A.V., Voronov V.N., Molokeev M.S.
Орешонков, Александр Сергеевич. Исследование структуры кристалла Ca2Al3O6 методами рентгеноструктурного анализа и колебательной спектроскопии
/ А. С. Орешонков [и др.]. -
С
.16-17
Другие авторы: Втюрин А. Н., Zhiguo Xia, Молокеев, Максим Сергеевич, Атучин В. В.
Орешонков, Александр Сергеевич. Исследование структуры кристалла Ca2Al3O6F методами рентгеноструктурного анализа и колебательной спектроскопии
/ А. С. Орешонков [и др.]. -
С
.16-17
Другие авторы: Втюрин А. Н., Zhiguo Xia, Молокеев, Максим Сергеевич, Атучин В. В.
Ершов, Александр Андреевич. Колебательные спектры кристалла MnGeO3 группы пироксена
/ А. А. Ершов [и др.]. -
С
.16
Другие авторы: Орешонков А. С., Герасимова Ю. В., Крылов, Александр Сергеевич, Иваненко, Александр Анатольевич, Шайхутдинов, Кирилл Александрович, Терентьев К. Ю., Михашонок Н.В., Втюрин, Александр Николаевич
Крылова, Светлана Николаевна. Исследования фазовых переходов, индуцированных гидростатическим давлением во фторсодержащих эльпасолитах
/ С. Н. Крылова [и др.]. -
С
.18
Другие авторы: Крылов А. С., Горяйнов С. В., Орешонков, Александр Сергеевич, Втюрин, Александр Николаевич
Герасимова, Юлия Валентиновна. Спектральные исследования углеродной структуры природных импактных алмазов Попигайской астроблемы
/ Ю. В. Герасимова [и др.]. -
С
.50
Другие авторы: Крылов А. С., Иваненко А. А., Втюрин, Александр Николаевич, Елисеев А.П., Александровский, Александр Сергеевич, Афанасьев В.П., Исакова А. А.
Герасимова, Юлия Валентиновна. Спектральные исследования углеродной структуры природных импактных алмазов Попигайской астроблемы
/ Ю. В. Герасимова [и др.]. -
С
.50
Другие авторы: Крылов А. С., Иваненко А. А., Втюрин, Александр Николаевич, Елисеев А.П., Александровский, Александр Сергеевич, Афанасьев В. П., Исакова А. А.
Корец, Анатолий Яковлевич. Использование оптических методов для исследования структуры алмазосодержащих частиц детонационного синтеза, подвергнутых механохимическому и тепловому воздействиям
/ А. Я. Корец [и др.]. -
С
.53
Другие авторы: Королькова И.В., Крылов А. С., Миронов Е.В., Рабчевский Е.В.
Втюрин, Александр Николаевич. Комбинационное рассеяние и фазовые переходы во фторидах со структурой эльпасолита
/ А. Н. Втюрин [и др.]. -
С
.14
Другие авторы: Крылов А. С., Крылова С. Н., Орешонков, Александр Сергеевич, Воронов, Владимир Николаевич
Крылов, Александр Сергеевич. Исследование фазового перехода в кристалле Rb2KMoO3F3: эффект управляемого беспорядка
/ А. С. Крылов [и др.]. -
С
.21-22
Другие авторы: Колесникова Е. М., Крылова С. Н., Втюрин, Александр Николаевич
Горяйнов, Сергей Владимирович. Сверхгидратация микропористых алюмосиликатных структур при высоких давлениях водной среды
/ С. В. Горяйнов [и др.]. -
С
.12
Другие авторы: Крылов А. С., Лихачева А. Ю., Втюрин, Александр Николаевич
Смотреть
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН
Доп.точки доступа:
Шабанов, Василий Филиппович \сопредс. прогр. ком.\; Shabanov, V. F.; Горелик, В. С. \сопредс. прогр. ком.\; Втюрин, Александр Николаевич \чл. орг. ком.\; Vtyurin, A. N.; Крылов, Александр Сергеевич \чл. орг. ком.\; Krylov, A. S.; Крылова, Светлана Николаевна \чл. орг. ком.\; Krylova, S. N.; Герасимова, Юлия Валентиновна \чл. орг. ком.\; Gerasimova, J. V.; Орешонков, Александр Сергеевич \чл. орг. ком.\; Oreshonkov, A. S.; Колесникова, Евгения Михайловна \чл. орг. ком.\; Kolesnikova, E. M.; Ершов, А. С. \чл. орг. ком.\; Руденко, Людмила Михайловна \чл. орг. ком.\; Втюрин, Александр Николаевич; Елисеев, А. П.; Александровский, Александр Сергеевич; Афанасьев, В. П.; Исакова, А. А.; Voronov, V. N.; Molokeev, M. S.; Орешонков, Александр Сергеевич; Воронов, Владимир Николаевич; Крылов, Александр Сергеевич; Иваненко, Александр Анатольевич; Шайхутдинов, Кирилл Александрович; Терентьев, Константин Юрьевич; Михашенок, Наталья Владимировна; Атучин, В. В.; Миронов, Е. В.; Рабчевский, Е. В.; Российская академия наук; Научный совет по физике конденсированных сред РАН; Научный совет по спектроскопии атомов и молекул РАН; Сибирское отделение РАН; Объединенный ученый совет по физическим наукам СО РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН; "Комбинационное рассеяние - 85 лет исследований", всероссийская конференция (2013 ; авг. ; 26-29 ; Красноярск); "Спектроскопия комбинационного рассеяния света", сибирский семинар (4 ; 2013 ; авг. ; 26-29 ; Красноярск)
Экземпляры всего:
2
РСФ (2)
Свободны:
РСФ (2)}
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3.
Solvatochromic Photoluminescent Effects
in All-Inorganic Manganese(II)-Based Perovskites by Highly Selective Solvent-Induced Crystal-to-Crystal Phase Transformations / H. Xiao, P. P. Dang, X. H. Yun [et al.]> // Angew. Chem. Int. Edit. - 2021. -
Vol. 60
,
Is. 7
. - P. 3699-3707,
DOI
10.1002/anie.202012383. - Cited References: 85. - This work was supported by National Natural Science Foundation of China (NSFC 51932009, 51772288, 52072349, 51672259) and the Joint Fund Project to Promote Science and Technology Cooperation Across the Taiwan Straits (U2005212), the Science and Technology Cooperation Fund between Chinese and Australian Governments (2017YFE0132300), CAS-Croucher Funding Scheme for Joint Laboratories (CAS18204), Chinese Academy of Sciences (YZDY-SSWJSC018) . - ISSN 1433-7851. - ISSN 1521-3773
РУБ
Chemistry, Multidisciplinary
Рубрики:
LEAD-FREE
HALIDE PEROVSKITE
NANOCRYSTALS
MN2+
LUMINESCENCE
Кл.слова (ненормированные):
lead-free materials
--
low-dimensional perovskites
--
luminescence
--
manganese
--
phase transitions
Аннотация:
The development of lead‐free perovskite photoelectric materials has been an extensive focus in the recent years. Herein, a novel one‐dimensional (1D) lead‐free CsMnCl3(H2O)2 single crystal is reported with solvatochromic photoluminescence properties. Interestingly, after contact with N,N‐dimethylacetamide (DMAC) or N,N‐dimethylformamide (DMF), the crystal structure can transform from 1D CsMnCl3(H2O)2 to 0D Cs3MnCl5 and finally transform into 0D Cs2MnCl4(H2O)2. The solvent‐induced crystal‐to‐crystal phase transformations are accompanied by loss and regaining of water of crystallization, leading to the change of the coordination number of Mn2+. Correspondingly, the
luminescence
changes from red to bright green and finally back to red emission. By fabricating a test‐paper containing CsMnCl3(H2O)2, DMAC and DMF can be detected quickly with a response time of less than one minute. These results can expand potential applications for low‐dimensional lead‐free perovskites.
Смотреть статью
,
Scopus
,
WOS
Держатели документа:
Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, 5625 Renmin St, Changchun 130022, Peoples R China.
Univ Sci & Technol China, Hefei 230026, Peoples R China.
China Univ Geosci, Fac Mat Sci & Chem, Minist Educ, Engn Res Ctr Nanogeomat, Wuhan 430074, Peoples R China.
RAS, SB, Lab Crystal Phys, Kirensky Inst Phys,Fed Res Ctr,KSC, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Доп.точки доступа:
Xiao, Hui; Dang, Peipei; Yun, Xiaohan; Li, Guogang; Wei, Y.i.; Xiao, Xiao; Zhao, Yajie; Molokeev, M. S.; Молокеев, Максим Сергеевич; Cheng, Ziyong; Lin, Jun
}
Найти похожие
4.
Solvatochromic photoluminescent effects
in all-inorganic manganese(II)-based perovskites by highly selective solvent-induced crystal-to-crystal phase transformations / H. Xiao, P. Dang, X. Yun [et al.]> // Angew. Chem. - 2021. -
Vol. 133
,
Is. 7
. - P. 3743-3751,
DOI
10.1002/ange.202012383. - Cited References: 73. - This work was supported by National Natural Science Foundation of China (NSFC 51932009, 51772288, 52072349, 51672259) and the Joint Fund Project to Promote Science and Technology Cooperation Across the Taiwan Straits (U2005212), the Science and Technology Cooperation Fund between Chinese and Australian Governments (2017YFE0132300), CAS-Croucher Funding Scheme for Joint Laboratories (CAS18204), Chinese Academy of Sciences (YZDY-SSWJSC018) . - ISSN 1521-3757
Перевод заглавия:
Сольватохромные фотолюминесцентные эффекты в полностью неорганическом перовските на основе марганца (II), вызванные высокоселективными фазовыми превращениями кристалла-кристалл, индуцированными растворителем
Кл.слова (ненормированные):
lead-free materials
--
low-dimensional perovskites
--
luminescence
--
manganese
--
phase transitions
Аннотация:
The development of lead‐free perovskite photoelectric materials has been an extensive focus in the recent years. Herein, a novel one‐dimensional (1D) lead‐free CsMnCl3(H2O)2 single crystal is reported with solvatochromic photoluminescence properties. Interestingly, after contact with N,N‐dimethylacetamide (DMAC) or N,N‐dimethylformamide (DMF), the crystal structure can transform from 1D CsMnCl3(H2O)2 to 0D Cs3MnCl5 and finally transform into 0D Cs2MnCl4(H2O)2. The solvent‐induced crystal‐to‐crystal phase transformations are accompanied by loss and regaining of water of crystallization, leading to the change of the coordination number of Mn2+. Correspondingly, the
luminescence
changes from red to bright green and finally back to red emission. By fabricating a test‐paper containing CsMnCl3(H2O)2, DMAC and DMF can be detected quickly with a response time of less than one minute. These results can expand potential applications for low‐dimensional lead‐free perovskites.
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Держатели документа:
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022 China
University of Science and Technology of China, Hefei, 230026 China
Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074 China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Siberian Federal University, 660041 Krasnoyarsk, Russia
Department of Physics, Far Eastern State Transport University, 680021 Khabarovsk, Russia
Доп.точки доступа:
Xiao, Hui; Dang, Peipei; Yun, Xiaohan; Li, Guogang; Wei, Yi; Xiao, Xiao; Zhao, Yajie; Molokeev, M. S.; Молокеев, Максим Сергеевич; Cheng, Ziyong; Lin, Jun
}
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5.
Peschanskii, A. V.
Spectroscopic study of the TbAl3(BO3)4 single crystal: Raman and
luminescence
spectroscopy / A. V. Peschanskii, A. Y. Glamazda, I. A. Gudim> // Low Temp. Phys. - 2020. -
Vol. 46
,
Is. 12
. - P. 1223-1230,
DOI
10.1063/10.0002478. - Cited References: 20 . - ISSN 1063-777X. - ISSN 1090-6517
РУБ
Physics, Applied
Рубрики:
SCATTERING
GENERATION
ND
Кл.слова (ненормированные):
TbAl3(BO3)4
--
vibrational spectrum
--
electronic transitions
--
Raman spectroscopy
--
luminescence
Аннотация:
The vibrational and
luminescence
properties of the TbAl3(BO3)4 single crystal were studied in the temperature range of 5–300 K. Raman spectra of the single crystal revealed 5 of 7 A1 and all E phonon modes predicted by the group-theory analysis. The splitting energy between the LO and TO components of polar E phonons is determined. A group of intense bands associated with the 5D4 → 7F0 electronic transition was observed in the energy range of 14520–14680 cm−1 of the
luminescence
spectra. The intensity of these bands decreases upon heating. At the same time, the bands which can be assigned with 5D4 → 7F6, 5D4 → 7F5, and 5D4 → 7F4 transitions were revealed in
luminescence
spectra at room temperature. The intensity of these bands is comparable to the intensity of the Raman spectrum of TbAl3(BO3)4. The observation of
luminescence
from the 5D4 multiplet (20600–20750 cm−1) upon excitation at λexc = 632.8 nm (15803 cm−1) and λexc = 532 nm (18797 cm−1) indicates strong nonlinear properties of the studied crystal. The structure of the main 7F6 multiplet of Tb+3 in the TbAl3(BO3)4 single crystal has been studied at 5 K by Raman spectroscopy. The energies of the electronic levels of 7F6 and 5D4 multiplets were determined from the
luminescence
spectra measured at 300 K.
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Публикация в журнале "Физика низких температур"
Peschanskii A. V. Spectroscopic study of the TbAl3(BO3)4 single crystal: Raman and
luminescence
spectroscopy [Текст] / A. V. Peschanskii, A. Y. Glamazda, I. A. Gudim // Физ. низких температур. - 2020. - Т. 46 Вып. 12.- С.1437-1445
Держатели документа:
Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine.
RAS, Siberian Branch, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Glamazda, A. Yu.; Gudim, I. A.; Гудим, Ирина Анатольевна
}
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6.
Crystal and electronic
structure, thermochemical and photophysical properties of europium-silver sulfate monohydrate AgEu(SO4)2·H2O / Y. G. Denisenko, A. E. Sedykh, M. S. Molokeev [et al.]> // J. Solid State Chem. - 2021. -
Vol. 294
. - Ст. 121898,
DOI
10.1016/j.jssc.2020.121898. - Cited References: 54. - This work was partially supported by the Russian Foundation for Basic Research (Grant 19-33-90258∖19 ). Use of equipment of Krasnoyarsk Regional Center of Research Equipment of Federal Research Center « Krasnoyarsk Science Center SB RAS» is acknowledged . - ISSN 0022-4596
Перевод заглавия:
Кристаллическая и электронная структура, термохимические и фотофизические свойства моногидрата сульфата европия-серебра AgEu(SO4)2·H2O
Кл.слова (ненормированные):
Structure
--
Thermochemistry
--
Luminescence
--
Sulfates
--
Europium
Аннотация:
In order to synthesize single crystals of europium-silver double sulfate monohydrate, a hydrothermal reaction route was used. It was found that the crystallization cannot be performed under standard conditions. The compound AgEu(SO4)2·H2O crystallizes in the trigonal crystal system, space group P3221 (a = 6.917(1), c = 12.996(2) Å, V = 538.53(17) Å3). The structure consists of triple-capped trigonal prisms [EuO9], in which one oxygen atom belongs to crystalline water, silver octahedra [AgO6], and sulfate tetrahedra [SO4]. The hydrogen bonds in the system additionally stabilize the structure. The electronic band structure wasstudied by density functional theory calculations which show that AgEu(SO4)2·H2O is an indirect band gap dielectric. Temperature dependent photoluminescence spectroscopy shows emission bands of transitions from the 5D0 state to the spin-orbit components of the 7FJmultiplet (J = 0–6).The ultranarrow transition 5D0 - 7F0 shows a red shift with respect to other europium-containing water-free sulfates that is ascribed to the presence of OH group in the crystal structure in the close vicinity of the Eu3+ ion. An effect of abnormal sensitivity of the Ω4 intensity factor to minor distortions of the local environment is detected for the observed low local symmetry of C2.
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Держатели документа:
Institute of Chemistry, Tyumen State University, Tyumen, 625003, Russian Federation
Institute of Inorganic and Analytical Chemistry, Justus-Liebig-University of Giessen, Giessen35392, Germany
Department of General and Special Chemistry, Industrial University of Tyumen, Tyumen, 625000, Russian Federation
Center for Materials Research (LaMa), Justus-Liebig-University of Giessen, Giessen35392, Germany
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Komissarov Department of General Chemistry, Northen Trans-Ural Agricultural University, Tyumen, 625003, Russian Federation
Laboratory of the Chemistry of Rare Earth Compounds, Institute of Solid State Chemistry, UB RAS, Ekaterinburg, 620137, Russian Federation
Доп.точки доступа:
Denisenko, Y. G.; Sedykh, A. E.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Khritokhin, N. A.; Sal'nikova, E. I.; Andreev, O. V.; Muller-Buschbaum, K.
}
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7.
Synthesis and luminescent
properties of (RE0.95Ln0.05)2O2S (RE = La, Y; Ln = Ho, Tm) / E. I. Sal'nikova, Y. G. Denisenko, I. E. Kolesnikov [et al.]> // J. Solid State Chem. - 2021. -
Vol. 293
. - Ст. 121753,
DOI
10.1016/j.jssc.2020.121753. - Cited References: 33 . - ISSN 0022-4596
Кл.слова (ненормированные):
Rare earth oxysulfides
--
Synthesis
--
Rietveld
--
Luminescence
--
Lifetime
--
Quantum yield
Аннотация:
Solid solutions of oxysulfides (RE0.95Ln0.05)2O2S (RE = La, Y; Ln = Ho, Tm) were obtained by hydrogen reduction of the co-precipitated sulfates followed by sulfidation of the reaction products. The crystal chemical characteristics of the obtained compounds were refined by the Rietveld method. Morphological certification of particles in the dynamics of synthesis was performed. Most of the particles produced by chemical reactions have a cut that indicates the formation of a compound with a hexagonal syngony with angles of 60 and 120°. This indicates that the thermal effect of gaseous reagents H2, H2S on sulfates leads to heterogeneous reactions of thermal dissociation and the formation of new phases. Steady state
luminescence
properties displayed characteristic sharp bands corresponding to 4f-4f transitions.
Luminescence
decay curves of all studied samples showed monoexponential decay with microsecond and hundreds microsecond lifetimes depending on doping ions. Calculated color coordinates of Ho3+ and Tm3+-doped powders make them promising candidates to be used as phosphors.
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Держатели документа:
Department of Inorganic and Physical Chemistry, Tyumen State University, Tyumen, 625003, Russian Federation
Komissarov Department of General Chemistry, Northen Trans-Ural Agricultural University, Tyumen, 625003, Russian Federation
Department of General and Special Chemistry, Industrial University of Tyumen, Tyumen, 625000, Russian Federation
Center for Optical and Laser Materials Research, St. Petersburg State University, St. Petersburg, 199034, Russian Federation
Department of Physics, Lappeenranta University of Technology LUT, Lappeenranta, 53850, Finland
Laboratory of the Chemistry of Rare Earth Compounds, Institute of Solid State Chemistry, UB RAS, Ekaterinburg, 620137, Russian Federation
Laboratory of Electron and Probe Microscopy, Tyumen State University, Tyumen, 625003, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Sal'nikova, E. I.; Denisenko, Y. G.; Kolesnikov, I. E.; Lahderanta, E.; Andreev, O. V.; Azarapin, N. O.; Basova, S. A.; Gubin, A. A.; Oreshonkov, A. S.; Орешонков, Александр Сергеевич
}
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8.
Bismuth activated full
spectral double perovskite
luminescence
materials by excitation and valence control for future intelligent LED lighting / Y. Wei, H. Yang, Z. Y. Gao [et al.]> // Chem. Commun. - 2020. -
Vol. 56
,
Is. 64
. - P. 9170-9173,
DOI
10.1039/d0cc03975f. - Cited References: 27. - This work was supported by the National Natural Science Foundation of China (Grant No. 51672259) and the Fundamental Research Funds for the National Universities, China University of Geosciences (Wuhan) (No. 1910491T02) . - ISSN 1359-7345. - ISSN 1364-548X
Перевод заглавия:
Активированные висмутом люминесцентные материалы двойных перовскитов, с полным спектром излучения, который получается за счет управления возбуждением и валентностью, для интеллектуального светодиодного освещения в будущем
РУБ
Chemistry, Multidisciplinary
Рубрики:
PHOTOLUMINESCENCE
PHOSPHORS
Bi3+
MODULATION
CRYSTAL
Аннотация:
A novel La2Mg1.14Zr0.86O6:Bi3+ double perovskite phosphor with excitation-induced blue/green photoluminescence tuning is reported. By designing Bi3+ → Eu3+ energy transfer, single-composition white light with wide-scale adjustable corrected color temperatures (CCTs) is successfully achieved. This work initiates a new insight to explore phosphors with excitation-induced photoluminescence tuning and wide CCT control for future intelligent LED lighting.
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Держатели документа:
China Univ Geosci, Engn Res Ctr Nanogeomat, Minist Educ, Fac Mat Sci & Chem, Wuhan 430074, Hubei, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Доп.точки доступа:
Wei, Y.i.; Yang, Hang; Gao, Zhiyu; Xing, Gongcheng; Molokeev, M. S.; Молокеев, Максим Сергеевич; Li, Guogang
}
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9.
Data-driven photoluminescence tuning
in Eu2+-doped phosphors / S. Lai, M. Zhao, J. Qiao [et al.]> // J. Phys. Chem. Lett. - 2020. -
Vol. 11
,
Is. 14
. - P. 5680-5685,
DOI
10.1021/acs.jpclett.0c01471. - Cited References: 34. - The present work was supported by the National Natural Science Foundations of China (Grant No. 51972118, 51961145101 and 51722202), Fundamental Research Funds for the Central Universities (D2190980), Guangzhou Science & Technology Project (202007020005), Guangdong Provincial Science & Technology Project (No. 2018A050506004), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01X137). This work is also funded by RFBR according to the research project No. 19-52-80003 . - ISSN 1948-7185
Перевод заглавия:
Настройка фотолюминесценции люминофоров, легированных Eu2+, за счет анализа базы данных
Рубрики:
Phosphors
Luminescence
properties
Crystal structure
Ions
Quantum mechanics
Аннотация:
Discovery of rare earth phosphors has generally relied on the chemical intuition and time-intensive trial-and-error synthesis; therefore, finding new materials assisted by data-driven computations is urgent. Herein, we utilize a regression model to predict the emission wavelengths of Eu2+-doped phosphors by revealing the relationships between the crystal structure and
luminescence
property. The emission wavelengths of [Rb(1–x)K(x)]3LuSi2O7:Eu2+ (0 ≤ x ≤ 1) phosphors, as examples for the data-driven photoluminescence tuning, are successfully predicted on the basis of the existing data of only eight systems, also consistent with the experimental results. These phosphors can be excited by blue light and exhibit broad-band red and near-infrared emission ranging from 619 to 737 nm. These findings in Eu2+-doped silicate phosphors indicate that data-driven computations through the regression mode would have bright application in discovering novel phosphors with a target emission wavelengths.
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Держатели документа:
State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
Beijing Municipal Key Laboratory of New Energy Materials and Technologies, School of Materials Sciences and Engineering, University of Science and Technology BeijingBeijing 100083, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, Russian Federation
Доп.точки доступа:
Lai, S.; Zhao, M.; Qiao, J.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Z.
}
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10.
Monoclinic SmAl3(BO3)4: synthesis,
structural and spectroscopic properties / A. S. Oreshonkov, N. P. Shestakov, M. S. Molokeev [et al.]> // Acta Crystallogr. B. - 2020. -
Vol. 76
. - P. 654-660,
DOI
10.1107/S2052520620008781. - Cited References: 38. - Funding for this research was provided by: Russian Foundation for Basic Research (grant Nos. 18-03-00750, 18-05-00682 and 18-32-20011 to AO) . - ISSN 2052-5206
Перевод заглавия:
Моноклинный SmAl3(BO3)4: синтез, структура и спектроскопические свойства
РУБ
Chemistry, Multidisciplinary + Crystallography
Рубрики:
Optical-properties
Luminescence
Spectra
Crystals
Sm
Кл.слова (ненормированные):
IR spectroscopy
--
monoclinic structure
--
luminescence
--
Raman spectroscopy
--
X-ray diffraction
--
crystal structure
Аннотация:
Single crystals of SmAl3(BO3)4 were synthesized by the group growth on seeds method. The crystal structure was solved using a single-crystal experiment and the purity of the bulk material was proved by the Rietveld method. This borate crystallizes in the monoclinic C2/c space group with unit-cell parameters a = 7.2386 (3), b = 9.3412 (5), c = 11.1013 (4) Å and β = 103.2240 (10)°. IR and Raman spectroscopic analyses confirmed the monoclinic structure of SmAl3(BO3)4. Under 532.1 nm excitation,
luminescence
spectra exhibit bands assignable to the transitions from 4G5/2 to 6H5/2, 6H7/2, 6H9/2 and 6H11/2. The similarity of the
luminescence
spectra of the trigonal and monoclinic polymorphs is explained by the minor role of Sm—O bond distortion and the primary role of rotational distortion of SmO6 octahedra. The smaller covalency of the Sm—O bond in alumoborates is deduced in comparison with galloborates. Calorimetric measurements did not reveal high-temperature structural phase transitions up to a temperature of 720 K.
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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Mol Spect, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Engn & Construct, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Sch Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Coherent Opt, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Nanotechnol Spect & Quantum Chem, Krasnoyarsk 660041, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Radiospect & Spintron, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Inst Automat & Electrometry, Novosibirsk 630090, Russia.
Fed Res Ctr KSC SB RAS, Dept Mol Elect, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660074, Russia.
Tyumen State Univ, Dept Inorgan & Phys Chem, Tyumen 625003, Russia.
Ind Univ Tyumen, Dept Gen & Special Chem, Tyumen 625000, Russia.
Доп.точки доступа:
Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Shestakov, N. P.; Шестаков, Николай Петрович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Temerov, V. L.; Темеров, Владислав Леонидович; Adichtchev, S. V.; Pugachev, A. M.; Nemtsev, I. V.; Немцев, Иван Васильевич; Pogoreltsev, E. I.; Погорельцев, Евгений Ильич; Denisenko, Y. G.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-03-00750, 18-05-00682, 18-32-20011]
}
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11.
Enhanced cyan emission
and optical tuning of Ca3Ga4O9:Bi3+ for high-quality full-spectrum white light-emitting diodes / D. J. Liu, X. H. Yun, G. G. Li [et al.]> // Adv. Opt. Mater. - 2020. -
Vol. 8
,
Is. 22
. - Ст. 2001037,
DOI
10.1002/adom.202001037. - Cited References: 55. - This work was financially supported by the National Natural Science Foundation of China (NSFC No. 51932009, 51720105015, 51672265, 51672266, 51672257 and 51672259), the Key Research Program of Frontier Sciences, CAS (Grant No. YZDY-SSW-JSC018), Science and Technology Cooperation Project between Chinese and Australian Governments (2017YFE0132300), the Jiangmen Innovative Research Team Program (2017), and the Major Program of Basic Research and Applied Research of Guangdong Province (2017KZDXM083) . - ISSN 2195-1071
Перевод заглавия:
Улучшенное голубое излучение и оптическая настройка Ca3Ga4O9:Bi3+ для получения высококачественных белых светодиодов полного спектра
РУБ
Materials Science, Multidisciplinary + Optics
Рубрики:
ENERGY-TRANSFER
TUNABLE
LUMINESCENCE
PHOSPHOR
CRYSTAL
MODULATION
Кл.слова (ненормированные):
cyan-emitting phosphors
--
full-spectrum white lighting
--
optical tuning
--
single-phased white light-emitting diodes
Аннотация:
Highly efficient cyan‐emitting phosphor materials are indispensable for closing the cyan gap in spectra of the traditional phosphor‐converted white light‐emitting diodes (WLEDs) to achieve high‐quality full‐spectrum white lighting. In this work, bright cyan‐emitting Ca3Ga4O9 (CGO):0.02Bi3+,0.07Zn2+ phosphor is developed to bridge the cyan gap. Such a Bi3+,Zn2+ codoping enhances the cyan emission of CGO:0.02Bi3+ by 4.1 times due to the influence of morphology and size of phosphor particles, charge compensation and lattice distortion. Interestingly, codoping La3+ ions into the current system can achieve a photoluminescence tuning of CGO:0.02Bi3+ from cyan to yellowish‐green by crystallographic site engineering. Besides, Bi3+–Eu3+ energy transfer is successfully realized in CGO:0.02Bi3+,0.07Zn2+,nEu3+ phosphors and the emission color tuning from cyan to orange is observed. The investigation of thermal quenching behaviors reveals that the incorporation of Zn2+ and La3+ improves the thermal stability of CGO:0.02Bi3+. Finally, CGO:0.02Bi3+,0.07Zn2+,0.10Eu3+ phosphor is employed to obtain a single‐phased warm WLED device. A full‐spectrum WLED device with remarkable color rendering index (Ra) of 97.4 and high luminous efficiency of 69.72 lm W−1 is generated by utilizing CGO:0.02Bi3+,0.07Zn2+ phosphor. This result suggests the important effect of CGO:0.02Bi3+,0.07Zn2+ phosphor on closing the cyan gap, providing new insights of cyan‐emitting phosphors applied in full‐spectrum white lighting.
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Держатели документа:
Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China.
Univ Sci & Technol China, Sch Appl Chem & Engn, Hefei 230026, Peoples R China.
China Univ Geosci, Fac Mat Sci & Chem, Engn Res Ctr Nanogeomat, Minist Educ, Wuhan 430074, Peoples R China.
RAS, SB, Lab Crystal Phys, Kirensky Inst Phys,Fed Res Ctr,KSC, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Engn Phys & Radioelect, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Shandong Univ, Sch Mat Sci & Engn, Jinan 266071, Peoples R China.
Wuyi Univ, Sch Appl Phys & Mat, Jiangmen 529020, Guangdong, Peoples R China.
Доп.точки доступа:
Liu, Dongjie; Yun, Xiaohan; Li, Guogang; Dang, Peipei; Molokeev, M. S.; Молокеев, Максим Сергеевич; Lian, Hongzhou; Shang, Mengmeng; Lin, Jun
}
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12.
Thermometry and up-conversion
luminescence
of Ln3+ (Ln = Er, Ho, Tm)-doped double molybdate LiYbMo2O8 / X. Y. Yun, J. Zhou, Y. H. Zhu [et al.]> // J. Mater. Sci.: Mater. Electron. - 2020. -
Vol. 31
,
Is. 21
. - P. 18370-18380,
DOI
10.1007/s10854-020-04382-8. - Cited References: 41. - This work is supported by the National Natural Science Foundation of China (No. 21576002 and 61705003) and Beijing Technology and Business University Research Team Construction Project (No. PXM2019_014213_000007) . - ISSN 0957-4522. - ISSN 1573-482X
Перевод заглавия:
Термометрия и апконверсионная люминесценции двойного молибдата LiYbMo2O8, легированного Ln (3+) (Ln = Er, Ho, Tm)
РУБ
Engineering, Electrical & Electronic + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
TEMPERATURE SENSING BEHAVIOR
OPTICAL THERMOMETRY
EMISSION
PHOSPHOR
Аннотация:
The discovery of stable and highly sensitive up-conversion (UC) phosphors using the fluorescence intensity ratio (FIR) is a significant challenge in the field of optical temperature sensor. Er3+/Ho3+/Tm3+-doped LiYbMo2O8 UC phosphors with excellent
luminescence
properties were successfully synthesized through a high-temperature solid-state reaction, and the crystal structure and UC
luminescence
properties were discussed in detail. The UC process has been investigated by spectra pump power dependence and further explained via the energy level diagram. All emission processes about Er3+ ions and Ho3+ ions are two-photon processes and the blue emission process about Tm3+ ions is a combination of two-photon process and three-photon process. Thermal sensing performances depended on FIR technology were estimated and the sensitivities of LiYb1−xMo2O8:xLn3+ included absolute sensitivity (Sa) and relative sensitivity (Sr) can produce particular change rules with the temperature, which can serve as excellent candidates for applications in optical temperature sensing. With the increase of temperature, the maximum values of Sr of LiYb1−xMo2O8:xLn3+ are 1.16% K−1 (0.05Er3+), 0.25% K−1 (0.01Ho3+), and 0.51% K−1 (0.01Tm3+), respectively. In addition, the Sa value of LiYb0.95Mo2O8:0.05Er3+ phosphor will reach the maximum (1.08% K−1) at 475 K, while the maximum values of Sa of LiYb0.99Mo2O8:0.01Ho3+ and LiYb0.99Mo2O8:0.01Tm3+ are 0.16% K−1, 0.14% K−1.
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Держатели документа:
Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China.
RAS, Fed Res Ctr, Kirensky Inst Phys, Lab Crystal Phys,KSC,SB, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Доп.точки доступа:
Yun, Xiangyan; Zhou, Jun; Zhu, Yaohui; Molokeev, M. S.; Молокеев, Максим Сергеевич; Jia, Yetong; Wei, Chao; Xu, Denghui; Sun, Jiayue
}
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13.
CaY2Al4SiO12:Ce3+,Mn2+: a single
component phosphor to produce high color rendering index WLEDs with a blue chip / Q. H. Zhang, J. H. Li, W. Jiang [et al.]> // J. Mater. Chem. C. - 2021. -
Vol. 9
,
Is. 34
. - P. 11292-11298,
DOI
10.1039/d1tc01770e. - Cited References: 35. - This work has been financially supported by the National Nature Science Foundation of China (51902063, 51902354, U1801253), the Science and Technology Project of Guangdong Province (2018A050506061), the Science and Technology Project of Guangzhou City (202007020005, 202007020008) and GDAS' Project of Science and Technology Development (2020GDASYL-20200302010, 2018GDASCX-0110). M. G. Brik also thanks the support from the Chongqing Recruitment Program for 100 Overseas Innovative Talents (Grant No. 2015013), the Program for the Foreign Experts (Grant No. W2017011) and Wenfeng High-End Talents Project (Grant No. W2016-01) offered by Chongqing University of Posts and Telecommunications (CQUPT), Estonian Research Council grant PUT PRG111, European Regional Development Fund (TK141) and NCN project 2018/31/B/ST4/00924 . - ISSN 2050-7526. - ISSN 2050-7534
РУБ
Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
GARNET PHOSPHOR
ENERGY-TRANSFER
RED EMISSION
LUMINESCENCE
PROPERTIES
Аннотация:
A high color rendering index white light emitting diode (WLED) is generally produced by combining yellow and red mixed phosphors on a blue chip. Herein we report a single component phosphor based on CaY2Al4SiO12 (CYAS) to achieve warm white light emission with a high color rendering index (Ra), which can be up to 90.5. Ce3+, Mn2+ singly doped and co-doped CYAS phosphors have been synthesized by solid state reactions, respectively, for comparative investigations. The Rietveld X-ray diffraction (XRD) refinements show that the CYAS host crystallizes in a cubic structure with the Ia[3 with combining macron]d space group. The valence states of Ce and Mn inside the CYAS host have been confirmed by XPS and EPR. Ce3+ occupies the Ca2+/Y3+ site and generates a yellow emission band around 543 nm from its characteristic 5d–4f transition. Mn2+ occupies both the dodecahedron Ca2+/Y3+ and octahedral Al3+ sites, emitting red and deep red lights at 616 nm and 750 nm, respectively. These two emission bands are attributed to the 4T1(4G)–6A1(6S) transitions of Mn2+. Upon 460 nm light excitation, both the Ce3+ and Mn2+ characteristic emissions can be obtained, in which the emissions of Mn2+ result from the occurrence of energy transfer from Ce3+ in CYAS. All the results indicate that the prepared CYAS:Ce3+,Mn2+ could be a promising single component phosphor for blue chip WLEDs.
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Держатели документа:
Guangdong Acad Sci, Inst Rare Met, Guangdong Prov Key Lab Rare Earth Dev & Applicat, Guangzhou 510651, Peoples R China.
Chongqing Univ Posts & Telecommun, Coll Sci, Chongqing 400065, Peoples R China.
Chongqing Univ Posts & Telecommun, CQUPT BUL Innovat Inst, Chongqing 400065, Peoples R China.
Univ Tartu, Inst Phys, W Ostwald Str 1, EE-50411 Tartu, Estonia.
Jan Dlugosz Univ, Fac Sci & Technol, Armii Krajowej 13-15, PL-42200 Czestochowa, Poland.
RAS, Fed Res Ctr, KSC SB, Kirensky Inst Phys,Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia.
Sun Yat Sen Univ, Sch Marine Sci, Zhuhai 510275, Peoples R China.
Доп.точки доступа:
Zhang, Qiuhong; Li, Junhao; Jiang, Wei; Lin, Litian; Ding, Jianhong; Brik, Mikhail G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ni, Haiyong; Wu, Mingmei
}
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14.
Ultra-broad-band-excitable Cu(I)-based organometallic
halide with near-unity emission for light-emitting diode applications / J. Huang, B. Su, E. Song [et al.]> // Chem. Mater. - 2021. -
Vol. 33
,
Is. 12
. - P. 4382-4389,
DOI
10.1021/acs.chemmater.1c00085. - Cited References: 43. - This research was supported by the National Natural Science Foundation of China (Grant Nos. 51961145101 and 51972118), the Fundamental Research Funds for the Central Universities (D2190980), the Guangzhou Science and Technology Project (202007020005), International Cooperation Project of National Key Research and Development Program of China (2021YFE0105700), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01X137). The reported study was also funded by RFBR according to research project no. 19-52-80003 . - ISSN 0897-4756
Перевод заглавия:
Металлоорганический галогенид на основе Cu (I) со сверхширокополосным возбуждением и излучением с квантовым выходом близким к единице для применения в светодиодах
Кл.слова (ненормированные):
Crown ethers
--
Hybrid materials
--
Light
--
Luminescence
--
Metal halide lamps
--
Metal halides
--
Organic light emitting diodes (OLED)
--
Organometallics
--
Sodium compounds
--
Application prospect
--
Excitation characteristics
--
Green emission bands
--
High color rendering index
--
Luminescence
mechanisms
--
Luminescent material
--
Photoluminescence quantum yields
--
White light emitting diodes
--
Copper compounds
Аннотация:
Low-dimensional hybrid metal halides demonstrate broad-band emission and high photoluminescence quantum yield (PLQY) acting as excellent candidates for a new generation of luminescent materials in lighting fields. However, most luminescent metal halides can only be excited by ultraviolet radiation, and the discovery of high-efficient emitters with broad-band excitation characteristics, especially upon efficient blue light irradiation, is a challenge. Herein, a zero-dimensional (0D) Cu(I)-based organometallic halide (18-crown-6)2Na2(H2O)3Cu4I6 (CNCI) was prepared with a green emission band centered at 536 nm and a near-unity PLQY (91.8%) upon excitation of 450 nm. Importantly, the ultrabroad excitation band covering a 300-500 nm range was observed in CNCI, and the
luminescence
mechanism has been discussed in detail. A white light-emitting diode (WLED) was fabricated with high luminous efficiency of 156 lm/W and a high color rendering index of 89.6. This work provides guidance for designing high-performance luminescent metal halides with suitable excitation characteristics and also promotes the application prospects of such materials in WLED fields.
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Держатели документа:
The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russian Federation
Доп.точки доступа:
Huang, J.; Su, B.; Song, E.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Z.
}
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15.
Rapid synthesis of
red-emitting Sr2Sc0.5Ga1.5O5:Eu2+ phosphors and the tunable photoluminescence via Sr/Ba substitution / Z. Y. Yang, Y. Y. Zhou, J. W. Qiao [et al.]> // Adv. Opt. Mater. - 2021. -
Vol. 9
. Is. 16. - Ст. 2100131,
DOI
10.1002/adom.202100131. - Cited References: 44. - Z.Y. and Y.Z. contributed equally to this work. This research was supported by the National Natural Science Foundations of China (Grant Nos. 51972118 and 51961145101), International Cooperation Project of National Key Research and Development Program of China (No. 2021YFE0105700), Guangzhou Science & Technology Project (No. 202007020005), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (No. 2017BT01x137). This work was also funded by RFBR according to the research Project No. 19-52-80003 . - ISSN 2195-1071
Перевод заглавия:
Синтез люминофоров Sr2Sc0.5Ga1.5O5: Eu2+ с красным излучением и перестраиваемая фотолюминесценция за счет замещения Sr/Ba
РУБ
Materials Science, Multidisciplinary + Optics
Рубрики:
LUMINESCENCE
PROPERTIES
THERMAL-STABILITY
EU2+
GREEN
EU3+
SR
Кл.слова (ненормированные):
Eu2+-doped phosphors
--
light-emitting diodes
--
photoluminescence
--
red emission
Аннотация:
Discovering new Eu2+-doped red-emitting phosphors in oxide-based materials is a challenge for white light-emitting diode (WLED) applications. Herein, a highly efficient high-frequency induction heating method is employed to rapidly prepare the red-emitting Sr2Sc0.5Ga1.5O5:Eu2+ phosphors peaking at 614 nm and exhibiting a high photoluminescence quantum yield of 78.4% under the excitation of 440 nm. The structural and spectral analyses suggest that Eu2+ ions tend to enter the [Sc1/Ga1O6] and [Ga2O6] polyhedrons with small coordination numbers, leading to the broadband red emission originated from large crystal field splitting of Eu2+ 5d level. The chemical substitution of Ba in the Sr site enhances the thermal stability and helps to the photoluminescence tuning from 614 to 728 nm in SrBaSc0.5Ga1.5O5:Eu2+. The WLED device fabricated by blending the red Sr1.7Ba0.3Sc0.5Ga1.5O5:Eu2+ and yellow Y3(Al, Ga)5O12:Ce3+ phosphors shows a high color-rendering index (Ra = 91.1), and low color-correlated temperature (CCT = 4750 K). This study aims to provide a new synthesis method and design principle for guiding the development of Eu2+-doped oxide-based red phosphors with low preparation cost; moreover, the photoluminescence tuning strategy via cation substitutions is essential to achieve tunable emission, even the near-infrared
luminescence
.
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Держатели документа:
South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, Sch Mat Sci & Engn,Guangdong Engn Technol Res & D, Guangzhou 510641, Guangdong, Peoples R China.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radioelect, Krasnoyarsk 660041, Russia.
Kemerovo State Univ, Dept Res & Dev, Kemerovo 650000, Russia.
South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510641, Guangdong, Peoples R China.
Доп.точки доступа:
Yang, Zhiyu; Zhou, Yayun; Qiao, Jianwei; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Zhiguo
}
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16.
Giant red-shifted emission
in (Sr,Ba)Y2O4:Eu2+ phosphor toward broadband near-infrared
luminescence
/ Z. Y. Yang, Y. F. Zhao, Y. Y. Zhou [et al.]> // Adv. Funct. Mater. - 2022. -
Vol. 32
,
Is. 1
. - Ст. 2103927,
DOI
10.1002/adfm.202103927. - Cited References: 60. - This research was supported by the International Cooperation Project of National Key Research and Development Program of China (2021YFE0105700), National Natural Science Foundations of China (Grant No. 51972118 and 51961145101), Guangzhou Science & Technology Project (202007020005), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01X137). This work is also funded by RFBR according to the research project No. 19-52-80003 . - ISSN 1616-301X. - ISSN 1616-3028
Перевод заглавия:
Излучение с гигантским красным смещением в люминофоре (Sr,Ba)Y2O4: Eu2 + для широкополосной люминесценции в ближней инфракрасной области
РУБ
Chemistry, Multidisciplinary + Chemistry, Physical + Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied + Physics, Condensed Matter
Рубрики:
LIGHT-SOURCES
PHOTOLUMINESCENCE
TRANSITION
CE3+
BLUE
SUBSTITUTION
Кл.слова (ненормированные):
near-infrared emission
--
photoluminescence
--
red emission
Аннотация:
Near-infrared (NIR) light-emitting diodes (LEDs) light sources are desirable in photonic, optoelectronic, and biological applications. However, developing broadband red and NIR-emitting phosphors with good thermal stability is always a challenge. Herein, the synthesis of Eu2+-activated SrY2O4 red phosphor with high photoluminescence quantum efficiency and broad emission band ranging from 540 to 770 nm and peaking at 620 nm under 450 nm excitation is designed. Sr/Ba substitution in SrY2O4:Eu2+ has been further utilized to achieve tunable emission by modifying the local environment, which facilitates the giant red-shifted emission from 620 to 773 nm while maintaining the outstanding thermal stability of SrY2O4:Eu2+. The NIR emission is attributed to the enhanced Stokes shift and crystal field strength originated from the local structural distortions of [Y1/Eu1O6] and [Y2/Eu2O6]. The investigation in charge distribution around Y/Eu provides additional insight into increasing covalency to tune the emission toward the NIR region. As-fabricated NIR phosphor-converted LEDs demonstration shows its potential in night-vision technologies. This study reveals the NIR
luminescence
mechanism of Eu2+ in oxide-based hosts and provides a design principle for exploiting Eu2+-doped NIR phosphors with good thermal stability.
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Держатели документа:
South China Univ Technol, Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, State Key Lab Luminescent Mat & Devices, Sch Mat Sci & Engn, Guangzhou 510641, Peoples R China.
Natl Synchrotron Radiat Res Ctr, Mat Sci Grp, Sci Res Div, Hsinchu 300, Taiwan.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Engn Phys & Radioelect, Krasnoyarsk 660041, Russia.
Kemerovo State Univ, Res & Dev Dept, Kemerovo 650000, Russia.
Доп.точки доступа:
Yang, Zhiyu; Zhao, Yifei; Zhou, Yayun; Qiao, Jianwei; Chuang, Yu-Chun; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Zhiguo; International Cooperation Project of National Key Research and Development Program of China [2021YFE0105700]; National Natural Science Foundations of ChinaNational Natural Science Foundation of China (NSFC) [51972118, 51961145101]; Guangzhou Science & Technology Project [202007020005]; Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program [2017BT01X137]; RFBRRussian Foundation for Basic Research (RFBR) [19-52-80003]
}
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17.
Synthesis, crystal structure,
and the optical and thermodynamic properties of PrAlGe2O7 / L. A. Irtyugo, L. T. Denisova, M. S. Molokeev [et al.]> // Russ. J. Phys. Chem. A. - 2021. -
Vol. 95
,
Is. 8
. - P. 1546-1550,
DOI
10.1134/S0036024421080124. - Cited References: 23 . - ISSN 0036-0244. - ISSN 1531-863X
РУБ
Chemistry, Physical
Рубрики:
TEMPERATURE HEAT-CAPACITY
GERMANATES
SMFEGE2O7
PR
Кл.слова (ненормированные):
PrAlGe2O7
--
complex oxide compounds
--
solid-state synthesis
--
crystal structure
--
luminescence
--
heat capacity
--
thermodynamic properties
Аннотация:
Germanate PrAlGe2O7 is obtained from initial oxides Pr2O3, Al2O3, and GeO2 via solid-phase synthesis. The crystal structure of the investigated germanate is determined via X-ray diffraction. The
luminescence
spectra are been determined at room temperature. The effect temperature has on the heat capacity is determined via differential scanning calorimetry. The thermodynamic properties of the complex oxide compound are calculated using the experimental data on Cp = f(T) in the temperature range of 350‒1000 K.
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Синтез, кристаллическая структура, оптические и термодинамические свойства PrAlGe2O7 [Текст] / Л. А. Иртюго, Л. Т. Денисова, М. С. Молокеев [и др.] // Журн. физ. химии. - 2021. - Т. 95 № 8. - С. 1165-1170
Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Krasnoyarsk Sci Ctr, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Irtyugo, L. A.; Denisova, L. T.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Denisov, V. M.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Beletskii, V. V.; Sivkova, E. Yu
}
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18.
The influence of
chalcogen atom on conformation and phase transition in chalcogenazinoquinolinium monoiodides / I. Yushina, A. Krylov, I. I. Leonidov [et al.]> // Acta Crystallogr. B. - 2021. -
Vol. 77
. - P. 526-536,
DOI
10.1107/S2052520621004571. - Cited References: 61. - This work was supported by the Ministry of Science and High Education of Russian Federation, project FENU 2020-0019. Additional spectroscopic studies were carried out in ISSC UB RAS (Research Program No. AAAA-A19-119031890025-9). Technical assistance from Ivan D. Popov (ISSC UB RAS) is strongly acknowledged. ChemMatCARS Sector 15 is principally supported by the Divisions of Chemistry (CHE) and Materials Research (DMR), National Science Foundation, under grant number NSF/CHE-1346572. Use of the Advanced Photon Source, an Office of Science User Facility operated for the US Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the US DOE under Contract No. DE-AC02-06CH11357 . - ISSN 2052-5206
РУБ
Chemistry, Multidisciplinary + Crystallography
Рубрики:
LARGE STOKES SHIFT
D-PI-A
HALOGEN BONDS
ELECTRON LOCALIZATION
Кл.слова (ненормированные):
organic monoiodide
--
phase transition
--
Raman spectroscopy
--
luminescence
--
halogen bond
Аннотация:
Crystalline chalcogenazinoquinolinium monoiodides, where the chalcogen atom is oxygen and sulfur, were studied using a combination of X-ray diffraction, Raman and UV-vis spectroscopies and photoluminescence experimental techniques. Periodic quantum-chemical calculations were performed to characterize the features of electronic structure and vibrational assignment. X-ray diffraction and Raman spectroscopy experiments consistently reveal phase transition of thiazinoquinolinium monoiodide at low temperatures with the decrease of symmetry to P1. The
luminescence
study for oxazinoquinolinium monoiodide reveals the excitation maximum at 532 nm and emission at 650 nm with significantly higher intensity than for the thiazinoquinolinium derivative. The studied chalcogenazinoquinolinium monoiodides demonstrate high values of Stokes shift up to 150 nm.
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Держатели документа:
South Ural State Univ, Lab Multiscale Modelling, Chelyabinsk 454080, Russia.
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia.
Inst Solid State Chem UB RAS, Ekaterinburg 620990, Russia.
Univ Chicago, Chicago, IL 60637 USA.
AN Nesmeyanov Inst Organoelement Cpds RAS, Moscow 11991, Russia.
Доп.точки доступа:
Yushina, I.; Krylov, A. S.; Крылов, Александр Сергеевич; Leonidov, I. I.; Batalov, V.; Chen, Y. S.; Wang, S. G.; Stash, A.; Bartashevich, E. V.; Ministry of Science and High Education of Russian Federation [FENU 2020-0019]; ISSC UB RAS [AAAA-A19-119031890025-9]; Divisions of Chemistry (CHE) and Materials Research (DMR), National Science Foundation [NSF/CHE-1346572]; US DOEUnited States Department of Energy (DOE) [DE-AC02-06CH11357]
}
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19.
Glass crystallization making
red phosphor for high-power warm white lighting / T. Hu, L. Ning, Y. Gao [et al.]> // Light Sci. Appl. - 2021. -
Vol. 10
,
Is. 1
. - Ст. 56,
DOI
10.1038/s41377-021-00498-6. - Cited References: 50. - The present work was supported by the National Natural Science Foundations of China (Grant Nos. 51972118, 51961145101, 51722202 and 11974022), the Guangzhou Science & Technology Project (202007020005), the Fundamental Research Funds for the Central Universities (D2190980), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01X137) . - ISSN 2095-5545
Перевод заглавия:
Кристаллизация стекла с синтезом красного люминофора для мощного теплого белого освещения
Кл.слова (ненормированные):
Aluminosilicate glass
--
First-principles calculation
--
Glass crystallization
--
Luminous efficiency
--
Preparation method
--
Solid state lighting
--
Solid-state lighting technology
--
Stable
luminescence
--
Light emission
Аннотация:
Rapid development of solid-state lighting technology requires new materials with highly efficient and stable
luminescence
, and especially relies on blue light pumped red phosphors for improved light quality. Herein, we discovered an unprecedented red-emitting Mg2Al4Si5O18:Eu2+ composite phosphor (λex = 450 nm, λem = 620 nm) via the crystallization of MgO–Al2O3–SiO2 aluminosilicate glass. Combined experimental measurement and first-principles calculations verify that Eu2+ dopants insert at the vacant channel of Mg2Al4Si5O18 crystal with six-fold coordination responsible for the peculiar red emission. Importantly, the resulting phosphor exhibits high internal/external quantum efficiency of 94.5/70.6%, and stable emission against thermal quenching, which reaches industry production. The maximum luminous flux and luminous efficiency of the constructed laser driven red emitting device reaches as high as 274 lm and 54 lm W−1, respectively. The combinations of extraordinary optical properties coupled with economically favorable and innovative preparation method indicate, that the Mg2Al4Si5O18:Eu2+ composite phosphor will provide a significant step towards the development of high-power solid-state lighting.
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Держатели документа:
School of Physics and Optoelectronics, State Key Laboratory of Luminescent Materials and Devices and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, South China University of Technology, Guangzhou, Guangdong, China
Anhui Key Laboratory of Optoelectric Materials Science and Technology, Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, Anhui, China
School of Applied Physic and Materials, Wuyi University, Jiangmen, Guangdong, China
Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo, Russian Federation
Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology Beijing, Beijing, China
Доп.точки доступа:
Hu, T.; Ning, L.; Gao, Y.; Qiao, J.; Song, E.; Chen, Z.; Zhou, Y.; Wang, J.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ke, X.; Xia, Z.; Zhang, Q.
}
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20.
Synthesis, crystal structure,
luminescence
, and thermophysical properties of TbGaGe2O7 / L. T. Denisova, M. S. Molokeev, A. S. Krylov [et al.]> // Phys. Solid State. - 2021. -
Vol. 63
,
Is. 1
. - P. 75-78,
DOI
10.1134/S106378342101008X. - Cited References: 11. - We are grateful to the Krasnoyarsk Regional Center for Collective Use, Krasnoyarsk Scientific Center, Siberian Branch of the Russian Academy of Sciences . - ISSN 1063-7834
Кл.слова (ненормированные):
terbium gallogermanate
--
solid-state synthesis
--
crystal structure
--
luminescence
--
high-temperature specific heat
--
thermodynamic properties
Аннотация:
Germanate TbGaGe2O7 has been obtained from the initial Tb2O3, Ga2O3, and GeO2 oxides by the solid-phase synthesis. The germanate structure has been established by X-ray diffraction. Room-temperature
luminescence
spectra of the compound have been recorded. The effect of temperature on the heat capacity of the oxide compound has been investigated by differential scanning calorimetry. The thermodynamic properties of the compound have been calculated from the experimental Cp = f(T) data.
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Публикация на русском языке
Синтез, кристаллическая структура, люминесценция и теплофизические свойства TbGaGe2O7 [Текст] / Л. Т. Денисова, М. С. Молокеев, А. С. Крылов [и др.] // Физ. тверд. тела. - 2021. - Т. 63 Вып. 1. - С. 76-79
Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Denisova, L. T.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Irtyugo, L. A.; Beletskii, V. V.; Denisov, V. M.
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