Optical properties of Eu2+ and laser site selective spectroscopy of Eu3+ in CsCdBr3
作者： F. Pellé , N. Gardant , M. Genotelle , Ph. Goldner , P. Porcher
DOI: 10.1016/0022-3697(95)00049-6
关键词: Emission spectrum 、 Crystal 、 Absorption spectroscopy 、 Ion 、 Inorganic chemistry 、 Photoluminescence 、 Laser 、 Europium 、 Spectroscopy 、 Atomic physics 、 Chemistry
摘要: Abstract Spectroscopic studies of europium ions in CsCdBr 3 are reported. In this material, two ionized states observed for ion. The structure the Eu 2+ absorption spectrum is discussed and crystal field parameters evaluated. energies 7 F J components 4f 6 configuration determined. optical properties trivalent species investigated using site selective laser technique. Several centres observed. A complete analysis energy levels 3+ ion associated with main centre has been performed. Polarized emission spectra showed precise symmetry Stark multiplets centre. presented B q k calculated. Theoretical experimental values 5 D 0,1 ( = 1,2,3,4) good agreement. Finally, a short discussion about nature minor carried out.
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