Abstract
The ellipsometric studies of the optical properties of intermetallic YFe2 and TbFe2 compounds have been performed in the wavelength range 0.22–15 μm, and a number of electronic and spectral characteristics have been determined. The nature of the interband light absorption in these materials is discussed based on a comparative analysis of the experimental and theoretical spectra of the optical conductivity. The experimental optical conductivities of the compounds in the region of quantum electron transitions are shown to agree qualitatively with the spectra calculated from the densities of electronic states.
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This work was performed in the framework of state task of the Ministry of Education and Science of the Russian Federation (theme “Electron,” no. AAAA-A18-118020190098-5).
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Translated by Yu. Ryzhkov
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Knyazev, Y.V., Kuz’min, Y.I. Optical Properties of YFe2 and TbFe2 Compounds. Phys. Solid State 62, 1132–1135 (2020). https://doi.org/10.1134/S1063783420070094
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DOI: https://doi.org/10.1134/S1063783420070094