Modification of Silicon Nanocrystals Embedded in an Oxide by High Energy Ion Implantation

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Abstract:

Samples with layer of silicon nanocrystals embedded in SiO2 (the single phase Si content in oxide ranged between 5 and 92 volume %) were subjected to high energy ion implantation. Implantation-induced modifications of SiO2-ncSi properties discussed in this paper include a shift of the major ncSi-related photoluminescence peak and intensification of the high-photon energy peaks, that accompany the change in amount and type of the charge trapped on the nanocrystals. A unified model is suggested for all these phenomena.

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Solid State Phenomena (Volumes 131-133)

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541-546

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October 2007

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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