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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Energy levels and crystal-field analysis of Tm
3
in YAl
3
(BO
3
)
4
crystals
Journal of Luminescence, Volume 131, No. 9, Year 2011
Notification
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Description
The electronic structure of the Tm3 in YAl3(BO 3)4 crystals has been investigated by means of low temperature absorption and emission spectroscopy in the 500030,000 cm -1 range. The assignment of the lines composing the observed manifolds to transitions between the Stark levels of Tm3 is complicated by the presence of extra features having different origins. The energy levels scheme of the doping ion has been compiled after a careful analysis of the spectra by reproducing the observed transitions by means of theoretical calculations based on a Hamiltonian, including the free ion and the crystal field (CF) terms. The agreement between experimental and calculated energy values was reasonably good, the overall r.m.s. deviation being 16 cm -1. The resulting CF parameters have been tabulated and compared with those reported in literature for other rare earth ions doped in YAB. The analysis of trends observed along the lanthanide series evidences some inconsistencies and the necessity of a systematic investigation of these systems. © 2011ElsevierB.V.Allrightsreserved.
Authors & Co-Authors
Kebaïli, Imen
Tunisia, Sfax
Faculté Des Sciences de Sfax
Dammak, Mohamed
Tunisia, Sfax
Faculté Des Sciences de Sfax
Cavalli, E.
Italy, Parma
Università Di Parma
Bettinelli, Marco
Italy, Verona
Laboratory of Solid State Chemistry
Statistics
Citations: 25
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1016/j.jlumin.2011.04.029
ISSN:
00222313
Research Areas
Environmental