Temperature dependence of the lifetime of Cr3+ luminescence in garnet crystals I

M. Yamaga, B. Henderson, K. P. O'Donnell, C. Trager Cowan, A. Marshall

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The lifetimes of the R-lines from the 2E level and the broad bands from the 4T2 level of Cr3+ ions in various garnet crystals vary with the energy separation between the 2E and 4T2 levels, which change systematically with the composition of host crystal. The trend of the Cr3+ lifetimes, as well as their temperature dependences in garnet crystals, is explained by zero-point vibration and phonon-assisted tunnelling between the 2E and 4T2 states of Cr3+ ion.

Original languageEnglish
Pages (from-to)425-431
Number of pages7
JournalApplied Physics B Photophysics and Laser Chemistry
Volume50
Issue number5
DOIs
Publication statusPublished - 1 May 1990

Keywords

  • garnet crystals
  • luminescence

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