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INFRARED REFLECTION SPECTRA OF MnxFe1–xIn2S4 SOLID SOLUTIONS
https://doi.org/10.47612/0514-7506-2022-89-5-646-650
Abstract
Large-block crystals of FeIn2S4, MnIn2S4 ternary compounds and MnxFe1–xIn2S4 solid solutions are grown by the method of directional crystallization (horizontal Bridgman method). The structure of the obtained crystals is determined by X-ray diffraction analysis. It is shown that both the starting compounds and solid solutions based on them crystallize in the cubic spinel structure. The IR reflection spectra in the frequency range 50–500 cm–1 of crystals of ternary compounds FeIn2S4, MnIn2S4 and solid solutions MnxFe1–xIn2S4 are studied. The frequencies of transverse (ωTO) and longitudinal (ωLO) optical phonons are determined. The concentration dependences of these parameters are plotted and the nature of their behavior is established
About the Authors
I. V. Bodnar
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Minsk
A. A. Feshchenko
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Minsk
V. V. Khoroshko
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Minsk
A. G. Karoza
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Bodnar I.V., Feshchenko A.A., Khoroshko V.V., Karoza A.G. INFRARED REFLECTION SPECTRA OF MnxFe1–xIn2S4 SOLID SOLUTIONS. Zhurnal Prikladnoii Spektroskopii. 2022;89(5):646-650. (In Russ.) https://doi.org/10.47612/0514-7506-2022-89-5-646-650
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