4fn-15d→4fn emission of Ce3+, Pr3+, Nd3+, Er3+, and Tm3+ in LiYF4 and YPO4 -: art. no. 045116

被引:65
|
作者
Peijzel, PS
Vergeer, P
Meijerink, A
Reid, MF
Boatner, LA
Burdick, GW
机构
[1] Univ Utrecht, Debye Inst, NL-3508 TA Utrecht, Netherlands
[2] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand
[3] Oak Ridge Natl Lab, Condensed Matter Sci Div, Oak Ridge, TN 37831 USA
[4] Andrews Univ, Dept Phys, Berrien Springs, MI 49104 USA
来源
PHYSICAL REVIEW B | 2005年 / 71卷 / 04期
关键词
D O I
10.1103/PhysRevB.71.045116
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
High-resolution 4f(n-1)5d-->4f(n) emission spectra in the (vacuum) ultraviolet are reported for Ce3+, Pr3+, Nd3+, Er3+, and Tm3+ in LiYF4 and YPO4 host lattices. The positions and intensities of the zero-phonon lines are calculated and compared to the high-resolution emission spectra. For the thulium samples gated detection has been used to distinguish between the spin-forbidden and spin-allowed 4f(n-1)5d-->4f(n) emissions. Luminescence lifetimes for the spin-forbidden 4f(n-1)5d-->4f(n) emissions are calculated and compared with experimentally observed lifetimes. A good agreement between experiment and theory is found, demonstrating the validity of the model developed for the 4f(n-1)5d and 4f(n) states of lanthanide ions.
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页数:9
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