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IR reflection spectra of NaCl crystals near a lattice resonance

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Abstract

This paper analyzes reflection spectra of NaCl crystals near an IR permittivity resonance. Dispersion laws, ω = ω(k), are derived for polariton waves. We calculate the velocity and effective mass of polaritons in different branches, compare theoretical results with a measured IR reflection spectrum reported earlier, and interpret the features observed in the reflection spectrum near the longitudinal optical phonon frequency.

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Authors and Affiliations

  1. Lebedev Institute of Physics, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    V. S. Gorelik

  2. Bauman State Technical University, Vtoraya Baumanskaya ul. 5, Moscow, 107005, Russia

    V. V. Filatov

Authors
  1. V. S. Gorelik
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  2. V. V. Filatov
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Correspondence to V. S. Gorelik.

Additional information

Original Russian Text © V.S. Gorelik, V.V. Filatov, 2013, published in Neorganicheskie Materialy, 2013, Vol. 49, No. 7, pp. 797–800.

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Gorelik, V.S., Filatov, V.V. IR reflection spectra of NaCl crystals near a lattice resonance. Inorg Mater 49, 745–748 (2013). https://doi.org/10.1134/S0020168513070054

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  • DOI: https://doi.org/10.1134/S0020168513070054

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