Abstract

The properties of Ce3+ in CaBPO5, LiCaPO4 and Li2CaSiO4 have been studied inthe 100–400 nm wavelength region with time resolved spectroscopy attemperatures between 10 and 300 K. Emphasis is on the relationship betweenthe energies of the five 5d levels of Ce3+ and the crystalline environment.Good agreement between predicted and observed average energy of the 5dconfiguration is demonstrated. In addition values for the bandgap of the hostmaterials, Stokes shifts and luminescence decay time data are presented.

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