ELECTROLUMINESCENCE EFFICIENCY PROFILES OF MN IN ZNS AC THIN-FILM ELECTROLUMINESCENCE DEVICES

被引:17
作者
MARRELLO, V
ONTON, A
机构
[1] IBM Research Laboratory, San Jose
关键词
D O I
10.1063/1.90851
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report a direct measurement of relative Mn electroluminescence (EL) efficiency in an ac EL device as a function of position normal to the ZnS film plane. The Mn EL efficiency decreases strongly with distance from the cathodic to anodic region of the ZnS layer. The cathodic-to-anodic efficiency ratio is about two orders of magnitude. In addition, the first ∼0.2 μm of ZnS deposited exhibits a significantly lower Mn EL efficiency relative to the remaining ZnS.
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页码:525 / 527
页数:3
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