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Photoconductivity and photodielectric effect in LiY1 − x Lu x F4 crystals doped with Ce3+ and Yb3+ ions

  • XV International Feofilov Symposium
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Abstract

Time and spectral dependences of the dielectric permittivity of the LiY1 − x Lu x F4 (x = 0, 0.5, and 1) crystals doped with Ce3+ and co-doped with Yb3+ ions under UV laser excitation were studied by the 8-mm microwave resonant technique at room temperature. The obtained photoconductivity spectrum in 240–310 nm spectral range was interpreted as a stepwise photoionization spectrum of the Ce3+ ions due to sequential 4f–5d and 5d–6s transitions. Average lifetimes of free and defect trapped (color centers) charge carriers were estimated.

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Authors and Affiliations

  1. Kazan Federal University, Kazan, 420008, Russia

    V. V. Pavlov, V. V. Semashko, R. M. Rakhmatullin & S. L. Korableva

Authors
  1. V. V. Pavlov
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  2. V. V. Semashko
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  3. R. M. Rakhmatullin
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  4. S. L. Korableva
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Correspondence to V. V. Pavlov.

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Pavlov, V.V., Semashko, V.V., Rakhmatullin, R.M. et al. Photoconductivity and photodielectric effect in LiY1 − x Lu x F4 crystals doped with Ce3+ and Yb3+ ions. Opt. Spectrosc. 116, 739–742 (2014). https://doi.org/10.1134/S0030400X14050178

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  • DOI: https://doi.org/10.1134/S0030400X14050178

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