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Fizika Tverdogo Tela, 2021, Volume 63, Issue 10, Pages 1617–1632
DOI: https://doi.org/10.21883/FTT.2021.10.51414.103
(Mi ftt7999)
 

This article is cited in 3 scientific papers (total in 3 papers)

Optical properties

The peculiarities of the spectral characteristics of different Lu$_{1-x}$RE$_{x}$BO$_{3}$ structural modifications

S. Z. Shmurak, V. V. Kedrov, A. P. Kiselev, T. N. Fursova, I. I. Zver'kova, E. Yu. Postnova

Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
Abstract: The structure, IR absorption and luminescence spectra of the microcrystals of Lu$_{1-x}$RE$_{x}$BO$_{3}$, Lu$_{0.99-x}$Tb$_{x}$Eu$_{0.01}$BO$_{3}$, and Lu$_{0.99-x}$Y$_{x}$Eu$_{0.01}$BO$_{3}$ orthoborates (0 $\le x \le$ 0.25) synthesized at 970$^{\circ}$С were studied. An increase in х leads to a sequential change of the structural state of the orthoborates. At $x\le$ 0.07 – 0.09, the compounds form a solid solution with the calcite structure and microcrystal size of 8 – 20 $\mu$m. Then, they become two-phase: the vaterite phase arises along with the calcite structure. At $x\ge$ 0.2 – 0.25, the entire bulk of a sample has the vaterite structure. A correspondence between the structure and spectral characteristics of these compounds was established. Luminescence spectra were investigated at different wavelengths of exciting light. This allowed obtaining information on the structure of a near-surface layer and the bulk of microcrystals of the investigated samples. It is shown that the vaterite phase arises both in the bulk of large microsrystals (8 – 20 $\mu$m) and in the form of small microsrystals (1 – 2 $\mu$m).
Keywords: luminophors for light-emitting diodes, rare-earth orthoborates, X-ray phase analysis, IR spectroscopy, luminescence spectra.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation
The research is carried out within the state task of ISSP RAS.
Received: 30.04.2021
Revised: 30.04.2021
Accepted: 07.05.2021
English version:
Physics of the Solid State, 2021, Volume 63, Issue 12, Pages 1795–1810
DOI: https://doi.org/10.1134/S1063783421100346
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. Z. Shmurak, V. V. Kedrov, A. P. Kiselev, T. N. Fursova, I. I. Zver'kova, E. Yu. Postnova, “The peculiarities of the spectral characteristics of different Lu$_{1-x}$RE$_{x}$BO$_{3}$ structural modifications”, Fizika Tverdogo Tela, 63:10 (2021), 1617–1632; Phys. Solid State, 63:12 (2021), 1795–1810
Citation in format AMSBIB
\Bibitem{ShmKedKis21}
\by S.~Z.~Shmurak, V.~V.~Kedrov, A.~P.~Kiselev, T.~N.~Fursova, I.~I.~Zver'kova, E.~Yu.~Postnova
\paper The peculiarities of the spectral characteristics of different Lu$_{1-x}$RE$_{x}$BO$_{3}$ structural modifications
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 10
\pages 1617--1632
\mathnet{http://mi.mathnet.ru/ftt7999}
\crossref{https://doi.org/10.21883/FTT.2021.10.51414.103}
\elib{https://elibrary.ru/item.asp?id=46598581}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 12
\pages 1795--1810
\crossref{https://doi.org/10.1134/S1063783421100346}
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  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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