Structural and optical characterization of Mn doped ZnS nanocrystals elaborated by ion implantation in SiO2

被引:15
作者
Bonafos, C
Garrido, B
López, M
Romano-Rodríguez, A
González-Varona, O
Pérez-Rodríguez, A
Morante, JR
Rodríguez, R
机构
[1] Univ Barcelona, Dept Elect, Unitat Associada CNM CSIC, E-08028 Barcelona, Spain
[2] AIN, Pamplona 31191, Spain
关键词
nanocrystals; ZnS precipitates; photoluminescence; self-organization; SiO2;
D O I
10.1016/S0168-583X(98)00549-7
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Mn doped ZnS nanocrystals have been formed in SiO2 layers by ion implantation and thermal annealing. The structural analysis of the processed samples has been performed mainly by Secondary Ion Mass Spectroscopy (SIMS) and Transmission Electron Microscopy (TEM). The data show the precipitation of ZnS nanocrystals self-organized into two layers parallel to the free surface. First results of the optical analysis of samples co-implanted with Mn show the presence of a yellow-green photoluminescence depending on the Mn concentration and the size of the nanocrystals, suggesting the doping with Mn of some precipitates. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:373 / 377
页数:5
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