4f–5d spectroscopy of Ce3+ in CaBPO5, LiCaPO4 and Li2CaSiO4

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Published 13 January 2003 • Published under licence by IOP Publishing Ltd
, , Citation P Dorenbos et al 2003 J. Phys.: Condens. Matter 15 511 DOI 10.1088/0953-8984/15/3/315

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1 Interfaculty Reactor Institute, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands

2 Ecole Nationale Supérieure de Chimie de Paris (ENSCP), Laboratoire de Chimie Appliquée de l'Etat Solide, UMR-CNRS 7574, 11 rue Pierre et Marie Curie, 75231 Paris cedex 05, France

Dates

  1. Received 1 November 2002
  2. Published

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0953-8984/15/3/511

Abstract

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

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10.1088/0953-8984/15/3/315