Czechoslovak Journal of Physics B

, Volume 30, Issue 2, pp 185–192 | Cite as

The luminescence efficiency of YAG: Ce phosphors

  • Josef Kvapil
  • Jiří Kvapil
  • K. Blažek
  • J. Zikmund
  • R. Autrata
  • P. Schauer
Article
Received:

Abstract

The luminescence intensity of Yttrium aluminium garnet activated by the Ce3+ (YAG∶Ce3+) under cathode-ray excitation depends on the preparation method and content of some dopants. Samples containing Fe, Pt, Ir or some colour centre, respectively, show relatively low luminescence. The maximum luminescence intensity was obtained with the Czochralski method grown single crystals in 98% Ar+2% H2 atmosphere which were sensitized by oxygen annealing followed by treatment at 1500 °C in molybdenum container using a wet hydrogen atmosphere.

Keywords

Atmosphere Molybdenum Yttrium Preparation Method Luminescence Intensity 
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Copyright information

© Academia, Publishing House of the Czechoslovak Academy of Sciences 1980

Authors and Affiliations

  • Josef Kvapil
    • 1
  • Jiří Kvapil
    • 1
  • K. Blažek
    • 1
  • J. Zikmund
    • 1
  • R. Autrata
    • 2
  • P. Schauer
    • 2
  1. 1.Monokrystaly TurnovTurnovCzechoslovakia
  2. 2.Institute of Scientific InstrumentsCzechosl. Acad. Sci., BrnoBrnoCzechoslovakia

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