1 November 1997 Defect-site quenching of the 5D0 excited state of Eu3+ in the hexachloroelpasolite Cs2NaEuCl6
Author Affiliations +
Proceedings Volume 3176, Tunable Solid State Lasers; (1997) https://doi.org/10.1117/12.293433
Event: Tunable Solid State Lasers, 1996, Wroclaw, Poland
Abstract
The luminescence decay curves of the 5D0 excited state of the cubic hexachloroelpasolite Cs2NaEuCl6 have been measured at 80 and 295 K for samples prepared by several methods. The decay curves are non-exponential and the rate of decay depends on the method of preparation. This is attributed to energy migration between the majority sites followed by energy transfer to defect sites associated with the presence of oxide ions in the lattice. A new method of preparation is devised which minimizes the concentration of oxide and other impurities. Crystals prepared by this method have lifetimes that are several times longer than that prepared by the standard procedure.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Matthew R. Duckett, Matthew R. Duckett, Colin D. Flint, Colin D. Flint, } "Defect-site quenching of the 5D0 excited state of Eu3+ in the hexachloroelpasolite Cs2NaEuCl6", Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); doi: 10.1117/12.293433; https://doi.org/10.1117/12.293433
PROCEEDINGS
6 PAGES


SHARE
Back to Top