Visible photoluminescence of SiO2 implanted with carbon and silicon

被引:36
作者
Garrido, B [1 ]
Lopez, M [1 ]
Ferre, S [1 ]
RomanoRodriguez, A [1 ]
PerezRodriguez, A [1 ]
Ruterana, P [1 ]
Morante, JR [1 ]
机构
[1] INST SCI MAT & RAYONNEMENT, LERMAT, URA CNRS 1317, F-14050 CAEN, FRANCE
关键词
D O I
10.1016/S0168-583X(96)00488-0
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The structures formed after sequential implantation of silicon plus carbon in amorphous SiO2 and annealing presented strong photoluminescence bands in the deep red (1.4-1.6 eV) and green (2.0-2.2 eV) regions of the visible spectrum. The energy and intensity of the bands depended strongly on the temperature and duration of annealing. Different behaviours with post-processing were encountered for the red and green bands, including deexcitation kinetics and structural origin. The FTIR, Raman and HRTEM measurements showed that silicon crystallites were reponsible for the red emitting band while carbon aggregates were probably the origin of the green one.
引用
收藏
页码:101 / 105
页数:5
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