Characteristics of strontium aluminate crystals used for long-duration phosphors

被引：0
|
作者：
Katsumata, T [1 ]
Sasajima, K [1 ]
Nabae, T [1 ]
Komuro, S [1 ]
Morikawa, T [1 ]
机构：
[1] Toyo Univ, Fac Engn, Kawagoe, Saitama 350, Japan
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1998年 / 81卷 / 02期
关键词：
D O I：
暂无
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：
Sr3Al2O6, SrAl2O4, SrAl4O7, and SrAl12O19 that have been doped with Eu2+ and Dy3+ ions have been grown by a floating-zone technique for application as long-duration phosphors. Long-duration phosphorescence with a variety of colors has been observed in SrAl2O4, SrAl4O7 and SrAl12O19 crystals that have been doped with Eu2+ and Dy3+ ions. The peak wavelength of the phosphorescence is 520 nm for SrAl2O4, 480 nm for SrAl2O4, and 400 nm for SrAl12O19. The phosphorescence is characterized by decay times that have been analyzed by a curve-fitting technique.
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页码：413 / 416
页数：4
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