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conference presentation
Controlled synthesis of silicon nanocrystals into a thin SiO2 layer synthesized by stencil-masked ultra-low energy ion implantation
2008
We have synthesized Si Nps rich submicron area within a thin SiO2 layer using a new method called “stencil-masked ion implantation”. It consists in implanting silicon ions at ultra-low energy through windows (from 50nm to 2μm) opened in a stencil mask containing. After thermal annealing the implanted regions perfectly mimic the mask geometry. Energy-filtered transmission electron microscopy images and PL measurement reveal that smaller nanocrystals are formed near the edges of the implanted areas due to a dose edge effect.
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