TB3+ LUMINESCENCE IN FLUOROZIRCONATE GLASSES - INDICATOR FOR HOMOGENEOUS TB3+ DISTRIBUTION

被引:20
作者
VANDONGEN, AMA
机构
关键词
D O I
10.1016/S0022-3093(05)80835-X
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The emission spectra of Tb3+ incorporated in fluorozirconate (ZBLAN) glasses have been measured under UV excitation for various Tb3+ concentrations. The spectra consist of two groups of lines, one group centered around 550 nm (green) originating from the 5D4 level and the other around 400 nm (blue) originating from the 5D3 level. The ratio of the intensities of the emission bands from the 5D4 and those from the 5D3 increases for increasing terbium concentration. Below 0.2 mol% Tb3+, the emission is dominantly blue which implies that clustering or pair formation in these fluorozirconate glasses does not occur.
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页码:271 / 273
页数:3
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