Electron-phonon interaction in huntite iron borates

In this presentation, the results on the study of electron-phonon coupling in rare-earth iron borates RFe3(BO3)4, R = Pr, Sm, Tb, and Gd, which was carried out in our laboratory in a cooperation with other Russian and foreign institutions, are briefly reviewed. •Terahertz reflection spectra of RFe3(...

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Bibliographic Details
Published in:Optical materials 2017-12, Vol.74, p.101-104
Main Author: Popova, Marina
Format: Article
Language:English
Subjects:
Coupled electron-phonon modes
Electron-phonon interaction
High-resolution spectroscopy
Rare-earth borates with huntite structure
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Summary:In this presentation, the results on the study of electron-phonon coupling in rare-earth iron borates RFe3(BO3)4, R = Pr, Sm, Tb, and Gd, which was carried out in our laboratory in a cooperation with other Russian and foreign institutions, are briefly reviewed. •Terahertz reflection spectra of RFe3(BO3)4, R = Pr, Sm, Tb, Gd, were studied.•Coupled electron-phonon modes were found for PrFe3(BO3)4 and TbFe3(BO3)4.•Spectra modeling revealed the value 14.8 cm−1 for the electron-phonon coupling constant in PrFe3(BO3)4.•RFe3(BO3)4 crystals can serve as mirrors for the terahertz radiation with frequency 1.5–2.1 THz.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2017.03.049