Theoretical analysis and intensity calculation for the f → d absorption spectrum of Ce3+ in YAl3(BO3)4 crystal
الموضوعات : Journal of Theoretical and Applied Physics
Imen Kebaïli
1
(Faculté des Sciences de Sfax, Département de Physique, Laboratoire de Physique Appliquée, Groupe de Physique Théorique, Université de Sfax)
Mohamed Dammak
2
(Faculté des Sciences de Sfax, Département de Physique, Laboratoire de Physique Appliquée, Groupe de Physique Théorique, Université de Sfax)
الکلمات المفتاحية: Crystal, field, Intensity calculation, Decay time, YAB Ce,
ملخص المقالة :
AbstractEmission, absorption, and excitation spectra of 4f → 5d transitions of Ce3+ ions in yttrium aluminum borate (YAB) crystal are reviewed and successfully reproduced by theoretical investigations. The Ce3+ energy level diagram has been compiled after a careful analysis of the optical spectra. Theoretical calculations based on free ion and crystal field Hamiltonians are used to interpret the observed transitions. The 4f and 5d crystal field parameter permits determination of the engine states of Ce3+ ion in YAB and then calculating the absorption line intensities as well as the effective section and the decay times.
