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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krylov A. S., Gudim I. A., Krylova S. N., Krylov A. A., Vtyurin A. N.
Заглавие : Structural phase transition in TbFe2.5Ga0.5(BO3)4 single crystal
Место публикации : Ferroelectrics. - 2020. - Vol. 559, Is. 1. - P.128-134. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2020.1722014
Примечания : Cited References: 16. - The reported study was funded by the Russian Foundation for Basic Research according to the research project No. 18-02-00754
Аннотация: The Raman spectra of the TbFe2.5Ga0.5(BO3)4 single crystal in the temperature range from 8 to 400 K have been observed. The condensation and restoration of the soft modes have been found. The soft modes are associated with the structural phase transition from the R32 phase to the P3121 phase. The behavior of the hard modes confirms the structural phase transition close to the tricritical point. The temperature of the structural phase transition T1 = 33 K is established.
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