Optical spectra of Ce3+ and Ce3+-sensitized fluorescence in YAlO3
- 1 July 1973
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 44 (7) , 3205-3208
- https://doi.org/10.1063/1.1662735
Abstract
Infrared and ultraviolet absorption spectra arising from f→f and f→d transitions of Ce3+ in YAlO3 crystals are presented and used to derive the 4f and 5d energy levels. Excitation and fluorescence spectra of 5d→4f emission are also reported. The 5d fluorescence has a decay time of 16 nsec and a radiative quantum efficiency of near unity at 300 °K. Possible use of Ce3+ as a sensitizer for rare‐earth and iron‐group ion fluorescence in YAlO3 is surveyed; included is an investigation of energy transfer in a Ce, Nd, Cr‐codoped crystal.This publication has 12 references indexed in Scilit:
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