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Li-impurity effect in optical spectra of KTaO3:Er3+ crystals

  • XVI International Feofilov Symposium
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Abstract

The f–f absorption and emission spectra of Er3+ impurities were observed and identified in KTaO3 and K1 – x Li x TaO3 single crystals. It was shown that Li off-centers related random fields markedly influence intensity, width and position of zero-phonon lines. The detail analysis of the absorption spectra obtained allowed one to determine energies of the Stark sublevels of excited states for Er3+ dominant centers of noncubic symmetry.

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Authors and Affiliations

  1. Ioffe Institute Russian Academy of Sciences, St. Petersburg, 194021, Russia

    A. P. Skvortsov, N. K. Poletaev, P. P. Syrnikov & V. A. Trepakov

  2. Institute of Physics AS CR, v. v. i., CZ-18221, Praha 8, Czech Republic

    Z. Potůček, A. Dejneka, L. Jastrabik & V. A. Trepakov

  3. Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, CZ-12000, Praha 2, Czech Republic

    Z. Potůček & Z. Bryknar

Authors
  1. A. P. Skvortsov
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  2. Z. Potůček
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  3. N. K. Poletaev
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  4. P. P. Syrnikov
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  5. Z. Bryknar
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  6. A. Dejneka
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  7. L. Jastrabik
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  8. V. A. Trepakov
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Corresponding author

Correspondence to A. P. Skvortsov.

Additional information

Published in Russian in Optika i Spektroskopiya, 2016, Vol. 121, No. 4, pp. 586–589.

The article was translated by the authors.

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Skvortsov, A.P., Potůček, Z., Poletaev, N.K. et al. Li-impurity effect in optical spectra of KTaO3:Er3+ crystals. Opt. Spectrosc. 121, 534–537 (2016). https://doi.org/10.1134/S0030400X16100222

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  • DOI: https://doi.org/10.1134/S0030400X16100222

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