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Pulsed X-ray luminescence of composites consisting of inorganic particles and organic phosphors

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Abstract

A fast luminescence component with a duration of ∼2 ns has been observed upon pulsed X-ray excitation of composites composed of microparticles of a heavy constituent (heavy-metal oxides and fluorides) and optically active polymer adhesive. The intensity and temporal parameters of this component depend on neither the structural state of the heavy constituent nor the presence of optically active impurity. A mechanism of the formation of the fast luminescence component of composites upon pulsed X-ray excitation is proposed; according to it, when high-energy X rays interact with the heavy constituent of the composite, electrons and low-energy X-ray photons, which are intensely absorbed by the polymer adhesive and thus cause its luminescence, are generated due to the photoelectric effect and X-ray scattering.

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Authors and Affiliations

  1. Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    S. Z. Shmurak, V. V. Kedrov, N. V. Klassen & O. A. Shakhrai

Authors
  1. S. Z. Shmurak
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  2. V. V. Kedrov
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  3. N. V. Klassen
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  4. O. A. Shakhrai
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Corresponding author

Correspondence to S. Z. Shmurak.

Additional information

Original Russian Text © S.Z. Shmurak, V.V. Kedrov, N.V. Klassen, O.A. Shakhrai, 2012, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 15, pp. 10–17.

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Shmurak, S.Z., Kedrov, V.V., Klassen, N.V. et al. Pulsed X-ray luminescence of composites consisting of inorganic particles and organic phosphors. Tech. Phys. Lett. 38, 691–694 (2012). https://doi.org/10.1134/S1063785012080123

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  • DOI: https://doi.org/10.1134/S1063785012080123

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