Abstract
Anisotropy of the SbSI reflection spectra at various temperatures (300, 273, and 90 °K) is studied. Selection rules are examined for matrix transition elements at extreme points for crystals with symmetry D 162h , C 92v , and C 22 corresponding to different states of SbSI during phase transitions. A comparison of experimental data with theoretical and group-theoretical analysis results made possible a conclusion on the character of the band spectrum.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 13–19, August, 1971.
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Bercha, D.M., Slivka, V.Y., Syrbu, N.N. et al. Anisotropy of reflection spectrum and band structure of SbSI. Soviet Physics Journal 14, 1028–1032 (1971). https://doi.org/10.1007/BF00820060
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DOI: https://doi.org/10.1007/BF00820060