LOCAL-STRUCTURE OF 1.54-MU-M-LUMINESCENCE ER-3+ IMPLANTED IN SI

被引:235
|
作者
ADLER, DL
JACOBSON, DC
EAGLESHAM, DJ
MARCUS, MA
BENTON, JL
POATE, JM
CITRIN, PH
机构
[1] ATandT Bell Laboratories, Murray Hill
关键词
D O I
10.1063/1.108288
中图分类号
O59 [应用物理学];
学科分类号
摘要
Extended x-ray absorption fine structure measurements from Er-implanted Czochralski-grown Si samples, which exhibit strong luminescence at 1.54 mum, reveal a local sixfold coordination around Er-not of Si-but of oxygen atoms at an average distance of 2.25 angstrom. By contrast, similar concentrations of Er implanted in high purity float-zone Si samples, which are essentially optically inactive, show that Er is coordinated to 12 Si atoms at a mean distance of 3.00 angstrom.
引用
收藏
页码:2181 / 2183
页数:3
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