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Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups. / Denisenko, Yuriy G.; Atuchin, Victor V.; Molokeev, Maxim S. и др.

в: Inorganic Chemistry, Том 57, № 21, 05.11.2018, стр. 13279-13288.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

Harvard

Denisenko, YG, Atuchin, VV, Molokeev, MS, Aleksandrovsky, AS, Krylov, AS, Oreshonkov, AS, Volkova, SS & Andreev, OV 2018, 'Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups', Inorganic Chemistry, Том. 57, № 21, стр. 13279-13288. https://doi.org/10.1021/acs.inorgchem.8b01837

APA

Denisenko, Y. G., Atuchin, V. V., Molokeev, M. S., Aleksandrovsky, A. S., Krylov, A. S., Oreshonkov, A. S., Volkova, S. S., & Andreev, O. V. (2018). Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups. Inorganic Chemistry, 57(21), 13279-13288. https://doi.org/10.1021/acs.inorgchem.8b01837

Vancouver

Denisenko YG, Atuchin VV, Molokeev MS, Aleksandrovsky AS, Krylov AS, Oreshonkov AS и др. Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups. Inorganic Chemistry. 2018 нояб. 5;57(21):13279-13288. doi: 10.1021/acs.inorgchem.8b01837

Author

Denisenko, Yuriy G. ; Atuchin, Victor V. ; Molokeev, Maxim S. и др. / Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups. в: Inorganic Chemistry. 2018 ; Том 57, № 21. стр. 13279-13288.

BibTeX

@article{a5cdd9dd566f4ee99f1099d1909b55d2,
title = "Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups",
abstract = "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 P1(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.",
keywords = "CRYSTAL-STRUCTURE, LUMINESCENCE PROPERTIES, RARE-EARTHS, RAMAN-SPECTROSCOPY, PHASE-TRANSITIONS, PHOSPHORS, RECOVERY, CHEMISTRY, CRYSTALLIZATION, SEPARATION",
author = "Denisenko, {Yuriy G.} and Atuchin, {Victor V.} and Molokeev, {Maxim S.} and Aleksandrovsky, {Aleksandr S.} and Krylov, {Alexander S.} and Oreshonkov, {Aleksandr S.} and Volkova, {Svetlana S.} and Andreev, {Oleg V.}",
year = "2018",
month = nov,
day = "5",
doi = "10.1021/acs.inorgchem.8b01837",
language = "English",
volume = "57",
pages = "13279--13288",
journal = "Inorganic Chemistry",
issn = "0020-1669",
publisher = "American Chemical Society",
number = "21",

}

RIS

TY - JOUR

T1 - Structure, Thermal Stability, and Spectroscopic Properties of Triclinic Double Sulfate AgEu(SO4)2 with Isolated SO4 Groups

AU - Denisenko, Yuriy G.

AU - Atuchin, Victor V.

AU - Molokeev, Maxim S.

AU - Aleksandrovsky, Aleksandr S.

AU - Krylov, Alexander S.

AU - Oreshonkov, Aleksandr S.

AU - Volkova, Svetlana S.

AU - Andreev, Oleg V.

PY - 2018/11/5

Y1 - 2018/11/5

N2 - 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 P1(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.

AB - 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 P1(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.

KW - CRYSTAL-STRUCTURE

KW - LUMINESCENCE PROPERTIES

KW - RARE-EARTHS

KW - RAMAN-SPECTROSCOPY

KW - PHASE-TRANSITIONS

KW - PHOSPHORS

KW - RECOVERY

KW - CHEMISTRY

KW - CRYSTALLIZATION

KW - SEPARATION

UR - http://www.scopus.com/inward/record.url?scp=85056079280&partnerID=8YFLogxK

U2 - 10.1021/acs.inorgchem.8b01837

DO - 10.1021/acs.inorgchem.8b01837

M3 - Article

C2 - 30351092

AN - SCOPUS:85056079280

VL - 57

SP - 13279

EP - 13288

JO - Inorganic Chemistry

JF - Inorganic Chemistry

SN - 0020-1669

IS - 21

ER -

ID: 17410589