Optical spectroscopy, fluorescence dynamics and crystal-field analysis of Er3+ in YVO4

被引:127
作者
Capobianco, JA
Kabro, P
Ermeneux, FS
Moncorge, R
Bettinelli, M
Cavalli, E
机构
[1] UNIV LYON 1,CNRS,UMR 5620,LAB PHYSICOCHIM MAT LUMINESCENTS,F-69622 VILLEURBANNE,FRANCE
[2] UNIV VERONA,FAC SCI MM FF NN,IST POLICATTEDRA,SEZ CHIM,I-37134 VERONA,ITALY
[3] UNIV PARMA,DIPARTIMENTO CHIM GEN & INORGAN CHIM ANAL & CHIM,I-43100 PARMA,ITALY
关键词
D O I
10.1016/S0301-0104(96)00318-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The polarized absorption spectra, emission spectra and fluorescence dynamics of Er3+ doped in YVO4 are presented and analyzed in detail. Judd-Ofelt theory is applied to the measured absorption data to calculate the radiative decay rates for the various transitions of Er3+ in YVO4. A comparison of the experimental fluorescence lifetimes and the calculated radiative transition rates is made. Thermalization of the H-2(11/2) level from the lower-lying S-4(3/2) is studied. Crystal-field analysis is performed that is based on a Hamiltonian of D-2d point-group symmetry. A best-fit analysis is performed resulting in an rms deviation of 6.7 cm(-1).
引用
收藏
页码:329 / 340
页数:12
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