CATHODOLUMINESCENCE AND ELECTRON-BEAM IRRADIATION EFFECT OF POROUS SILICON STUDIED BY TRANSMISSION ELECTRON-MICROSCOPY

被引:19
作者
MITSUI, T [1 ]
YAMAMOTO, N [1 ]
TAKEMOTO, K [1 ]
NITTONO, O [1 ]
机构
[1] TOKYO INST TECHNOL,DEPT MET ENGN,MEGURO KU,TOKYO 152,JAPAN
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1994年 / 33卷 / 3A期
关键词
CATHODOLUMINESCENCE; POROUS SILICON; ELECTRON MICROSCOPY;
D O I
10.1143/JJAP.33.L342
中图分类号
O59 [应用物理学];
学科分类号
摘要
Cathodoluminescence (CL) from n-type porous silicon was studied using the CL detection system combined with a transmission electron microscope. Two luminescence bands were observed with peaks at 420 nm and 660 nm. The 660 nm band peak decays more quickly with increasing accelerating voltage and decreasing temperature. The intensity profile along the cross-sectional trace shows that the 660 nm luminescence centers are mainly located near the top side of the porous layer. The 420 nm CL band was found at accelerating voltage higher than 160 kV at 20 K.
引用
收藏
页码:L342 / L344
页数:3
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