Please use this identifier to cite or link to this item:
https://elib.bsu.by/handle/123456789/20683
Title: | Nanocrystal- and Dislocation-Related Luminescence in Si Matrix with InAs Nanocrystals |
Authors: | Komarov, F. Vlasukova, L. Milchanin, O. Mudryi, A. Zuk, J. Pyszniak, K. Kulik, M. |
Keywords: | ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика |
Issue Date: | 2011 |
Citation: | Acta physika polonika A. - 2011. - № 1. - С. 204-207. |
Abstract: | We have studied the influence of ion implantation and post-implantation annealing regimes on the structural and optical properties of silicon matrix with ion-beam synthesized InAs nanocrystals. (100) Si wafers were implanted at 25 and 500 ±C, subsequently with high fluences of As and In ions. After implantation the samples were processed by furnace and rapid thermal annealing at 900, 950 and 1050 ±C. A part of the samples implanted at 25 ±C was additionally exposed to H+2 ions (100 keV, 1.2 × 1016 cm−2 in terms of atomic hydrogen). This procedure was performed to obtain an internal getter. In order to characterize the implanted samples transmission electron microscopy and low-temperature photoluminescence techniques were employed. It was demonstrated that by introducing getter, varying the ion implantation temperature, ion fluences and post-implantation annealing duration, and temperature it is possible to form InAs nanocrystals in the range of sizes of 2–80 nm and create various concentration and distribution of di˙erent types of secondary defects. The last ones cause in turn the appearance in photoluminescence spectra dislocation-related D1, D2 and D4 lines at 0.807, 0.870 and 0.997 eV, respectively. |
URI: | http://elib.bsu.by/handle/123456789/20683 |
Appears in Collections: | Статьи сотрудников НИИ ПФП |
Files in This Item:
File | Description | Size | Format | |
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Nanocrystal- and Dislocation-Related Luminescence.pdf | 1,22 MB | Adobe PDF | View/Open |
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