Ion-beam synthesis and structural characterization of ZnS nanocrystals in SiO2

被引：23
|
作者：
Bonafos, C [1 ]
Garrido, B [1 ]
Lopez, M [1 ]
Romano-Rodriguez, A [1 ]
Gonzalez-Varona, O [1 ]
Perez-Rodriguez, A [1 ]
Morante, JR [1 ]
机构：
[1] Univ Barcelona, Dept Elect, E-08028 Barcelona, Spain
来源：
APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 26期
关键词：
D O I：
10.1063/1.121675
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this letter, we report the ion-beam synthesis and the structural characterization of ZnS nanocrystals in SiO2. Both electron diffraction and x-ray diffraction measurements show the precipitation of ZnS nanocrystals having a wurtzite-2H structure and infrared spectroscopy confirms the presence of Zn-S bonding. Upon annealing. transmission electron microscopy observations show the Ostwald ripening of the precipitates coupled with a self-organization in two layers parallel to the tier: surface. This self-organization has been also detected by secondary ion mass spectroscopy, and its origin is discussed in terms of a pure Ostwald ripening process and/or a consequence of the implantation damage. (C) 1998 American Institute of Physics.
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收藏
页码：3488 / 3490
页数：3
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