Standard

Asymmetry ratio as a parameter of Eu3+ local environment in phosphors. / Колесников, Илья Евгеньевич; Поволоцкий, Алексей Валерьевич; Мамонова, Дарья Владимировна; Колесников, Евгений Ю.; Курочкин, Алексей Викторович; Lähderanta, Erkki; Михайлов, М.Д.

In: Journal of Rare Earths, Vol. 36, No. 5, 2018, p. 474-481.

Research output: Contribution to journalArticlepeer-review

Harvard

Колесников, ИЕ, Поволоцкий, АВ, Мамонова, ДВ, Колесников, ЕЮ, Курочкин, АВ, Lähderanta, E & Михайлов, МД 2018, 'Asymmetry ratio as a parameter of Eu3+ local environment in phosphors', Journal of Rare Earths, vol. 36, no. 5, pp. 474-481. https://doi.org/10.1016/j.jre.2017.11.008

APA

Колесников, И. Е., Поволоцкий, А. В., Мамонова, Д. В., Колесников, Е. Ю., Курочкин, А. В., Lähderanta, E., & Михайлов, М. Д. (2018). Asymmetry ratio as a parameter of Eu3+ local environment in phosphors. Journal of Rare Earths, 36(5), 474-481. https://doi.org/10.1016/j.jre.2017.11.008

Vancouver

Author

Колесников, Илья Евгеньевич ; Поволоцкий, Алексей Валерьевич ; Мамонова, Дарья Владимировна ; Колесников, Евгений Ю. ; Курочкин, Алексей Викторович ; Lähderanta, Erkki ; Михайлов, М.Д. / Asymmetry ratio as a parameter of Eu3+ local environment in phosphors. In: Journal of Rare Earths. 2018 ; Vol. 36, No. 5. pp. 474-481.

BibTeX

@article{705b3a8049d64121914ee73e041427d0,
title = "Asymmetry ratio as a parameter of Eu3+ local environment in phosphors",
abstract = "Study of the local environment of certain ion is quite a complex problem. Due to the unique luminescent properties, Eu 3+ ions can be used as a structural probe. In this paper, effect of doping concentration, excitation wavelength and excitation mechanism on asymmetry ratio was systematically studied using Y 3Al 5O 12:Eu 3+, YVO 4:Eu 3+ and Y 2O 3:Eu 3+nanophosphors. The asymmetry ratio gives information about the local surrounding and environmental changes around the Eu 3+ ions. Asymmetry ratios of YAG:Eu 3+ and YVO 4:Eu 3+ nanopowders were calculated using standard technique and the obtained average values were found to be 0.75 and 8.2, respectively. However, it is found that standard method of asymmetry ratio calculation is suitable only for samples where all Eu 3+ ions occupy one site. The “multisite model” of asymmetry ratio calculation was developed and used for Y 2O 3:Eu 3+ nanocrystalline powders. Average value of asymmetry ratio for Eu 3+ ions occupied “normal” sites is 6.0 and for Eu 3+ ions occupied “defect” sites is 2.3. ",
author = "Колесников, {Илья Евгеньевич} and Поволоцкий, {Алексей Валерьевич} and Мамонова, {Дарья Владимировна} and Колесников, {Евгений Ю.} and Курочкин, {Алексей Викторович} and Erkki L{\"a}hderanta and М.Д. Михайлов",
year = "2018",
doi = "10.1016/j.jre.2017.11.008",
language = "English",
volume = "36",
pages = "474--481",
journal = "Journal of Rare Earths",
issn = "1002-0721",
publisher = "Chinese Rare Earth Society",
number = "5",

}

RIS

TY - JOUR

T1 - Asymmetry ratio as a parameter of Eu3+ local environment in phosphors

AU - Колесников, Илья Евгеньевич

AU - Поволоцкий, Алексей Валерьевич

AU - Мамонова, Дарья Владимировна

AU - Колесников, Евгений Ю.

AU - Курочкин, Алексей Викторович

AU - Lähderanta, Erkki

AU - Михайлов, М.Д.

PY - 2018

Y1 - 2018

N2 - Study of the local environment of certain ion is quite a complex problem. Due to the unique luminescent properties, Eu 3+ ions can be used as a structural probe. In this paper, effect of doping concentration, excitation wavelength and excitation mechanism on asymmetry ratio was systematically studied using Y 3Al 5O 12:Eu 3+, YVO 4:Eu 3+ and Y 2O 3:Eu 3+nanophosphors. The asymmetry ratio gives information about the local surrounding and environmental changes around the Eu 3+ ions. Asymmetry ratios of YAG:Eu 3+ and YVO 4:Eu 3+ nanopowders were calculated using standard technique and the obtained average values were found to be 0.75 and 8.2, respectively. However, it is found that standard method of asymmetry ratio calculation is suitable only for samples where all Eu 3+ ions occupy one site. The “multisite model” of asymmetry ratio calculation was developed and used for Y 2O 3:Eu 3+ nanocrystalline powders. Average value of asymmetry ratio for Eu 3+ ions occupied “normal” sites is 6.0 and for Eu 3+ ions occupied “defect” sites is 2.3.

AB - Study of the local environment of certain ion is quite a complex problem. Due to the unique luminescent properties, Eu 3+ ions can be used as a structural probe. In this paper, effect of doping concentration, excitation wavelength and excitation mechanism on asymmetry ratio was systematically studied using Y 3Al 5O 12:Eu 3+, YVO 4:Eu 3+ and Y 2O 3:Eu 3+nanophosphors. The asymmetry ratio gives information about the local surrounding and environmental changes around the Eu 3+ ions. Asymmetry ratios of YAG:Eu 3+ and YVO 4:Eu 3+ nanopowders were calculated using standard technique and the obtained average values were found to be 0.75 and 8.2, respectively. However, it is found that standard method of asymmetry ratio calculation is suitable only for samples where all Eu 3+ ions occupy one site. The “multisite model” of asymmetry ratio calculation was developed and used for Y 2O 3:Eu 3+ nanocrystalline powders. Average value of asymmetry ratio for Eu 3+ ions occupied “normal” sites is 6.0 and for Eu 3+ ions occupied “defect” sites is 2.3.

UR - http://www.scopus.com/inward/record.url?scp=85042181857&partnerID=8YFLogxK

UR - http://www.mendeley.com/research/asymmetry-ratio-parameter-eu3-local-environment-phosphors

U2 - 10.1016/j.jre.2017.11.008

DO - 10.1016/j.jre.2017.11.008

M3 - Article

VL - 36

SP - 474

EP - 481

JO - Journal of Rare Earths

JF - Journal of Rare Earths

SN - 1002-0721

IS - 5

ER -

ID: 25927697