Journal of Applied Spectroscopy

, Volume 84, Issue 4, pp 674–678 | Cite as

Luminescence of Eu3+ in Yttrium–Alumina Films on Fused Silica Substrates

  • J. C. Villegas Brito
  • N. V. Gaponenko
  • K. S. Sukalin
  • T. F. Raichenok
  • S. A. Tikhomirov
  • V. A. Yankovskaya
  • N. I. Kargin
Article
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Films of Eu-doped yttrium–alumina composites (YAG:Eu) with Eu concentrations of 0.020, 0.025, and 0.030 M were synthesized by the sol-gel technique. The films were fabricated by centrifugation onto fused silica followed by heat treatment. It was shown that spectra of films that were heat treated at 800–1200oC for 30 min exhibited luminescence bands in the visible range that corresponded to Eu3+ optical transitions 5D07Fj (j = 0, 1, …, 4). The films were x-ray amorphous whereas powder formed from the used sol with Eu concentration 0.20 M after heat treatment at 1000oC was crystalline Y3Al5O12. Practical applications of the obtained Eu-doped Y–Al composites as converters of UV radiation into the visible range and as other photonic structures were discussed.

Keywords

europium sol-gel technique garnet luminescence film powder 

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • J. C. Villegas Brito
    • 1
  • N. V. Gaponenko
    • 1
    • 3
  • K. S. Sukalin
    • 1
  • T. F. Raichenok
    • 2
  • S. A. Tikhomirov
    • 2
  • V. A. Yankovskaya
    • 2
  • N. I. Kargin
    • 3
  1. 1.Belarusian State University of Informatics and RadioelectronicsMinskBelarus
  2. 2.B. I. Stepanov Institute of PhysicsNational Academy of Sciences of BelarusMinskBelarus
  3. 3.National Research Nuclear University MePhIMoscowRussia

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