This paper discusses various physical mechanisms that result in cascade photon emission. It is shown to be promising to use the Pr3+ ion as an activator for creating phosphors with a quantum efficiency greater than unity. The properties of the phosphors SrAl12O19:Pr and SrAlF5:Pr are discussed. © 2005 Optical Society of America
P. A. Rodnyi, A. S. Potapov, A. S. Voloshinovskii, and G. B. Stryganyuk, "The development of new phosphors with high quantum efficiency," J. Opt. Technol. 72, 685-687 (2005)
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