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Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups
Автор | Yuriy G. Denisenko | |
Автор | Victor V. Atuchin | |
Автор | Maxim S. Molokeev | |
Автор | Aleksandr S. Aleksandrovsky | |
Автор | Alexander S. Krylov | |
Автор | Aleksandr S. Oreshonkov | |
Автор | Svetlana S. Volkova | |
Автор | Oleg V. Andreev | |
Дата внесения | 2020-01-20T08:01:16Z | |
Дата, когда ресурс стал доступен | 2020-01-20T08:01:16Z | |
Дата публикации | 2018-10 | |
Библиографическое описание | Yuriy G. Denisenko. Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups [Текст] / Yuriy G. Denisenko, Victor V. Atuchin, Maxim S. Molokeev, Aleksandr S. Aleksandrovsky, Alexander S. Krylov, Aleksandr S. Oreshonkov, Svetlana S. Volkova, Oleg V. Andreev // Inorganic Chemistry. — 2018. — Т. 57 (№ 21). — С. 13279-13288 | |
ISSN | 00201669 | |
URI (для ссылок/цитирований) | https://pubs.acs.org/doi/10.1021/acs.inorgchem.8b01837 | |
URI (для ссылок/цитирований) | https://elib.sfu-kras.ru/handle/2311/129539 | |
Описание | Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала. | |
Аннотация | Silver–europium double sulfate AgEu(SO4)2 was obtained by solid-phase reaction between Ag2SO4 and Eu2(SO4)3. The crystal structure of AgEu(SO4)2 was determined by Monte Carlo method with simulated annealing, and after that, it was refined by the Rietveld method from X-ray powder diffraction data. The compound crystallizes in the triclinic symmetry, space group P1̅ (a = 0.632929(4), b = 0.690705(4), c = 0.705467(4) nm, α = 98.9614(4), β = 84.5501(4), γ = 88.8201(4)°, V = 0.303069(3) nm3). Two types of sulfate tetrahedra were found in the structure, which significantly affects the spectroscopic properties in the IR-range. In the temperature range of 143–703 K, the average linear thermal expansion coefficients of cell parameters a, b, and c are very similar, (1.11–1.67) × 10–5 K–1 in magnitude, and therefore, AgEu(SO4)2 expands almost isotropically. Upon heating in argon flow, AgEu(SO4)2 is stable up to 1053 K. The luminescence spectra in the region of ultranarrow 5D0–7F0 transition contain a single narrow and symmetric line at 579.5 nm that is evidence of good crystalline quality of AgEu(SO4)2 and uniform local environment of Eu3+ ions in the structure. Distribution of luminescence bands is determined by the environment of Eu3+ ions in the structure. Influence of Ag+ ions on the electron density distribution at Eu sites is detected. | |
Тема | Structure | |
Тема | Thermal stability | |
Тема | sulfate | |
Тема | SO4 | |
Тема | XRD | |
Тема | Raman | |
Тема | Infrared | |
Название | Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups | |
Тип | Journal Article | |
Тип | Journal Article Preprint | |
Страницы | 13279-13288 | |
ГРНТИ | 29.19.04 | |
Дата обновления | 2020-01-20T08:01:16Z | |
DOI | 10.1021/acs.inorgchem.8b01837 | |
Институт | Инженерно-строительный институт | |
Институт | Институт инженерной физики и радиоэлектроники | |
Подразделение | Кафедра проектирования зданий и экспертизы недвижимости | |
Подразделение | Базовая кафедра физики твердого тела и нанотехнологий | |
Подразделение | Базовая кафедра фотоники и лазерных технологий | |
Журнал | Inorganic Chemistry | |
Квартиль журнала в Scopus | Q1 | |
Квартиль журнала в Web of Science | Q1 |