CATHODOLUMINESCENCE OF MN-2+ CENTERS IN MGAL2O4 SPINELS

被引：23
|
作者：
MLCAK, R [1 ]
KITAI, AH [1 ]
机构：
[1] MCMASTER UNIV,DEPT ENGN,HAMILTON L8S 4L8,ONTARIO,CANADA
来源：
JOURNAL OF LUMINESCENCE | 1990年 / 46卷 / 06期
关键词：
D O I：
10.1016/0022-2313(90)90066-K
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
MgAl2O4:Mn spinels containing between 0 and 8% Mn by weight were prepared (a) by growth from an induction melt, and (b) by Mn+ implantation into nonstoichiometric spinel crystals. Cathodolumenescence brightness measurements (520 nm emission band) were made as a function of Mn concentration on both (a) and (b), revealing increasing brightness to even the highest Mn concentrations. This suggests that MgAl2O4:Mn is not susceptible to strong concentration quenching phenomena, and might be useful for highly efficient phosphors. © 1990.
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页码：391 / 396
页数：6
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