Peculiarities of radiation-induced defect formation in nanocrystals embedded in a solid matrix
Б. Л. ОксенгендлерInstitute of Electronics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, 700143, UzbekistanN. N. TuraevaInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, 700128, UzbekistanС. Е. МаксимовInstitute of Electronics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, 700143, UzbekistanFlyura DjurabekovaInstitute of Electronics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, 700143, Uzbekistan
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The modification of basic radiation-physics effects (elastic defect formation and amorphization) in nanoclusters placed in a solid matrix compared to the same processes in single crystals is considered theoretically. We introduce a diffusion model of defect formation and study the influence of the nanocluster-matrix interface on the displacement energy. Based on the percolation treatment, we show a significant change in the critical nanocluster amorphization dose compared to the case of a crystal. The influence of various types of irradiation on the amorphization processes is considered. Judgments about the variety of radiation-physics effects in nanoobjects are expressed.
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