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A Study of the Optical Properties of Barium Selenide Crystals. I. Fundamental Functions

The full complex of 18 fundamental optical functions describing a barium selenide crystal was obtained in the spectral range of 0–40 eV. Their main features and general laws were established. Calculations were performed using a series of computer programs based on the Kramers–Kronig integral relations, the Taft–Philippe extrapolation model, and experimental reflectance spectra in the regions of 3.0–5.5 eV at 2 K and 3–40 eV at 77 K.

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Correspondence to V. V. Sobolev.

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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 84, No. 1, pp. 72–78, January–February, 2017.

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Sobolev, V.V., Merzlyakov, D.А. & Sobolev, V.V. A Study of the Optical Properties of Barium Selenide Crystals. I. Fundamental Functions. J Appl Spectrosc 84, 59–65 (2017). https://doi.org/10.1007/s10812-017-0427-1

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  • DOI: https://doi.org/10.1007/s10812-017-0427-1

Keywords

  • barium selenide
  • optical function
  • maximum
  • shoulder
  • exciton
  • interband transition
  • plasmon