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Optics and Spectroscopy, 2022, Volume 130, Issue 1, Pages 84–91
DOI: https://doi.org/10.21883/OS.2022.01.51893.38-21 (Mi os1643) 		 
Materials of the International Seminar of the Institute of Spectroscopy of the Russian Academy of Sciences (ISAN), dedicated to the anniversary of Professor M.N. Popova
Spectroscopy of condensed state

Phase diagram and soft modes behavior TbFe$_{3-x}$Ga$_x$(BO$_3$)$_4$ solid solutions with huntite structure

A. S. Krylova, A. N. Vtyurinab, I. A. Gudima, I. V. Nemtsevabc, S. N. Krylovaa

a Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, 660036 Krasnoyarsk, Russia
b Siberian Federal University, 660041 Krasnoyarsk, Russia
c Federal Research Center KSC SB, Russian Academy of Sciences "Krasnoyarsk Scientific Center of the Siberian Branch of RAS", 660036 Krasnoyarsk, Russia
Full-text PDF (1219 kB)
DOI: https://doi.org/10.21883/OS.2022.01.51893.38-21
Abstract: The Raman spectra of four crystals of TbFe$_{3-x}$Ga$_x$(BO$_3$)$_4$ solid solutions ($x$ from 0 to 0.54) were studied in the temperature range from 8 to 350 K. The temperatures of structural phase transitions were determined. The observed spectral behavior is characteristic to condensation and restoration of soft modes. Soft modes are associated with a structural phase transition from the $R$32 phase to the $P3_121$ phase. The Compositions-Temperature phase diagram was constructed.
Keywords: Raman spectroscopy, temperature dependence, soft modes, ferroborates, phase diagramm.
Funding agency Grant number
Russian Foundation for Basic Research 20-42-240009 р_а_Красноярск
21-52-12018 ННИО_а
The authors are grateful to the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory and the Krasnoyarsk Regional Science Foundation for funding within the framework of the scientific project, grant № 20-42-240009 r a Krasnoyarsk, as well as the Russian Foundation for Basic Research and the German Scientific Research Community (Deutsche Forschungsgemeinschaft) for financial support within the project № 21-52-12018 NNIO a.
Received: 22.07.2021
Revised: 22.07.2021
Accepted: 07.08.2021
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. S. Krylov, A. N. Vtyurin, I. A. Gudim, I. V. Nemtsev, S. N. Krylova, “Phase diagram and soft modes behavior TbFe$_{3-x}$Ga$_x$(BO$_3$)$_4$ solid solutions with huntite structure”, Optics and Spectroscopy, 130:1 (2022), 84–91
Citation in format AMSBIB
\Bibitem{KryVtyGud22}
\by A.~S.~Krylov, A.~N.~Vtyurin, I.~A.~Gudim, I.~V.~Nemtsev, S.~N.~Krylova
\paper Phase diagram and soft modes behavior TbFe$_{3-x}$Ga$_x$(BO$_3$)$_4$ solid solutions with huntite structure
\jour Optics and Spectroscopy
\yr 2022
\vol 130
\issue 1
\pages 84--91
\mathnet{http://mi.mathnet.ru/os1643}
\crossref{https://doi.org/10.21883/OS.2022.01.51893.38-21}
\elib{https://elibrary.ru/item.asp?id=48001472}
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