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Anomalies in the concentration quenching of luminescence in doped Y2SiO5:Pr3+ nanocrystals

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Abstract

In Y2SiO5:Pr3+ nanocrystals, an ordered phase is observed in the 1 D 2 luminescence decay curves of Pr3+ ions at their anomalously low concentration (0.5 at %). This effect is caused by the predominant accumulation of activator ions near the nanocrystal surface, which provides relaxation of the elastic strains arising as a result of the misfit between the ionic radii of Pr3+ and Y3+. The concentration quenching of Pr3+ luminescence is due to cooperative cross relaxation.

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Authors and Affiliations

  1. Russian Research Center Kurchatov Institute, Moscow, 123182, Russia

    N. V. Znamenskiĭ, A. Yu. Shashkov, Yu. V. Orlov & T. G. Yukina

  2. Institute for Scintillation Materials, Scientific and Technological Corporation Institute for Single Crystals, National Academy of Sciences of Ukraine, Kharkiv, 61001, Ukraine

    Yu. V. Malyukin, P. N. Zhmurin, Yu. N. Velikhov & I. I. Ganina

Authors
  1. N. V. Znamenskiĭ
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  2. A. Yu. Shashkov
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  3. Yu. V. Orlov
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  4. T. G. Yukina
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  5. Yu. V. Malyukin
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  6. P. N. Zhmurin
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  7. Yu. N. Velikhov
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  8. I. I. Ganina
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Additional information

Original Russian Text © N.V. Znamenskiĭ, A.Yu. Shashkov, Yu.V. Orlov, T.G. Yukina, Yu.V. Malyukin, P.N. Zhmurin, Yu.N. Velikhov, I.I. Ganina, 2006, published in Pis’a v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2006, Vol. 84, No. 4, pp. 212–216

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Znamenskiĭ, N.V., Shashkov, A.Y., Orlov, Y.V. et al. Anomalies in the concentration quenching of luminescence in doped Y2SiO5:Pr3+ nanocrystals. Jetp Lett. 84, 180–184 (2006). https://doi.org/10.1134/S002136400616003X

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  • DOI: https://doi.org/10.1134/S002136400616003X

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