Defect luminescence in cerium-doped yttrium aluminum garnet

S. R. Rotman, C. Warde

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


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.

Original languageEnglish
Pages (from-to)522-525
Number of pages4
JournalJournal of Applied Physics
Issue number1
StatePublished - 1 Dec 1985
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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