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Optical absorption and exciton-phonon interaction in solid solutions Cu6PS5I1 − x Cl x

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Abstract

We have studied the optical absorption edge of solid solutions Cu6PS5I1 − x Cl x at high absorption levels in the temperature range of 77–320 K. In a superionic state, we have revealed the Urbach behavior of the absorption edge, determined its parameters, and studied their temperature and concentration variations. We consider exciton-phonon interaction as a mechanism by which the Urbach bundle is formed and show that this bundle can be described in terms of the Dow-Redfield model.

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Authors and Affiliations

  1. Uzhgorod National University, Uzhgorod, 88000, Ukraine

    I. P. Studenyak, V. E. Ponomarev, V. Yu. Izai & L. M. Suslikov

  2. University of Zagreb, Varaždin, 42000, Croatia

    M. Kranjcec

Authors
  1. I. P. Studenyak
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  2. V. E. Ponomarev
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  3. M. Kranjcec
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  4. V. Yu. Izai
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  5. L. M. Suslikov
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Corresponding author

Correspondence to I. P. Studenyak.

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Original Russian Text © I.P. Studenyak, V.E. Ponomarev, M. Kranjcec, V.Yu. Izai, L.M. Suslikov, 2012, published in Optika i Spektroskopiya, 2012, Vol. 112, No. 1, pp. 104–108.

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Studenyak, I.P., Ponomarev, V.E., Kranjcec, M. et al. Optical absorption and exciton-phonon interaction in solid solutions Cu6PS5I1 − x Cl x . Opt. Spectrosc. 112, 101–105 (2012). https://doi.org/10.1134/S0030400X12010213

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  • DOI: https://doi.org/10.1134/S0030400X12010213

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