Defect luminescence in cerium-doped yttrium aluminum garnet

S. R. Rotman; C. Warde

doi:10.1063/1.336291

Defect luminescence in cerium-doped yttrium aluminum garnet

S. R. Rotman, C. Warde

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Abstract

The absorption and photoluminescence of lattice defects and of the cerium ion (Ce⁺³) in cerium-doped yttrium aluminum garnet have been measured after annealing single crystals of this material in various reducing atmospheres. The absorption in the 200-300-nm wavelength range is observed to decrease as the partial pressure of oxygen (P_O2) in the annealing atmosphere decreases, while both the cerium emission at 550 nm and the lattice defect luminescence at 300 nm increases. The lattice defect emission appears to be associated with electrons located on oxygen vacancies.

Original language	English
Pages (from-to)	522-525
Number of pages	4
Journal	Journal of Applied Physics
Volume	58
Issue number	1
DOIs	https://doi.org/10.1063/1.336291
State	Published - 1 Dec 1985
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (all)

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title = "Defect luminescence in cerium-doped yttrium aluminum garnet",

abstract = "The absorption and photoluminescence of lattice defects and of the cerium ion (Ce+3) in cerium-doped yttrium aluminum garnet have been measured after annealing single crystals of this material in various reducing atmospheres. The absorption in the 200-300-nm wavelength range is observed to decrease as the partial pressure of oxygen (PO2) in the annealing atmosphere decreases, while both the cerium emission at 550 nm and the lattice defect luminescence at 300 nm increases. The lattice defect emission appears to be associated with electrons located on oxygen vacancies.",

author = "Rotman, {S. R.} and C. Warde",

year = "1985",

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N2 - The absorption and photoluminescence of lattice defects and of the cerium ion (Ce+3) in cerium-doped yttrium aluminum garnet have been measured after annealing single crystals of this material in various reducing atmospheres. The absorption in the 200-300-nm wavelength range is observed to decrease as the partial pressure of oxygen (PO2) in the annealing atmosphere decreases, while both the cerium emission at 550 nm and the lattice defect luminescence at 300 nm increases. The lattice defect emission appears to be associated with electrons located on oxygen vacancies.

AB - The absorption and photoluminescence of lattice defects and of the cerium ion (Ce+3) in cerium-doped yttrium aluminum garnet have been measured after annealing single crystals of this material in various reducing atmospheres. The absorption in the 200-300-nm wavelength range is observed to decrease as the partial pressure of oxygen (PO2) in the annealing atmosphere decreases, while both the cerium emission at 550 nm and the lattice defect luminescence at 300 nm increases. The lattice defect emission appears to be associated with electrons located on oxygen vacancies.

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Defect luminescence in cerium-doped yttrium aluminum garnet

Abstract

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