Biexciton luminescence in NaI

被引：1
|
作者：
Toyoda, K
Tsujibayashi, T
Hayashi, T
机构：
[1] Osaka Dent Univ, Dept Phys, Hirakata, Osaka 5731121, Japan
[2] Kyoto Univ, Fac Integrated Human Studies, Kyoto 6068501, Japan
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 1999年 / 150卷 / 1-4期
关键词：
biexciton; exciton; alkali iodide; NaI; luminescence;
D O I：
10.1080/10420159908226212
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Biexciton luminescence of NaI is observed under excitation with intense laser light in the n = 1 exciton absorption region. The luminescence has two bands, The high-energy band is attributed to a biexciton slate, which is a bound state of two free excitons, on the basis of the estimate of the binding energy. Measurement of luminescence spectra at various temperatures reveals that the low-energy band originates from a bound biexciton, which is a bound state of a free exciton and a bound exciton.
引用
收藏
页码：85 / 88
页数：4
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