LUMINESCENCE AND NONLINEAR-OPTICAL PROPERTIES OF POROUS SILICON

被引：7
|
作者：
MALY, P
TROJANEK, F
VALENTA, J
KOHLOVA, V
BANAS, S
VACHA, M
ADAMEC, F
DIAN, J
HALA, J
PELANT, I
机构：
[1] CHARLES UNIV, FAC MATH & PHYS, KE KARLOVU 3, CS-12116 PRAGUE, CZECH REPUBLIC
[2] TESLA SEZAM, CS-75661 ROZNOV, CZECH REPUBLIC
来源：
JOURNAL OF LUMINESCENCE | 1994年 / 60-1卷
关键词：
D O I：
10.1016/0022-2313(94)90186-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We observe a blue shift of the porous silicon photoluminescence peak with decreasing temperature in the range 305-180 K. Further, we study two-photon absorption (TPA) in porous silicon at 300 K through the luminescence excitation spectrum. The TPA shows an exponential tail with onset at 2hnu approximately 2.4 eV. This shape can be ascribed to potential fluctuations.
引用
收藏
页码：441 / 444
页数：4
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