Abstract
Optical properties of Hg1 − x − y Cd x Eu y Se crystals grown by the Bridgman method have been investigated based on the independent reflectance and transmittance measurements, which were performed on a Nicolet 6700 spectrometer at T = 300 K in the wavelength range 0.9 ≤ λ ≤ 26.6 μm. The values of refractive index n, absorption index k, and absorption coefficient α have been determined for the crystals studied. Based on the dependences α = f(hν), the presence of direct allowed interband optical transitions in the crystals is established and the band-gap values are determined. The influence of temperature on the transmittance and band gap are investigated in the range T = 114–300 K.
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Original Russian Text © T.T. Kovalyuk, E.V. Maistruk, P.D. Maryanchuk, 2013, published in Optika i Spektroskopiya, 2013, Vol. 115, No. 6, pp. 951–955.
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Kovalyuk, T.T., Maistruk, E.V. & Maryanchuk, P.D. Optical coefficients of Hg1 − x − y Cd x Eu y Se crystals. Opt. Spectrosc. 115, 848–851 (2013). https://doi.org/10.1134/S0030400X13120102
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DOI: https://doi.org/10.1134/S0030400X13120102