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Amorphization of Ge and Si nanocrystals embedded in amorphous SiO2 by ion irradiation

Backman, M; Djurabekova, Flyura; Pakarinen, Olli; Nordlund, Kai; Araujo, Leandro; Ridgway, Mark C

Description

Finite-size effects become significant in nanoscale materials. When a nanocrystal is surrounded by a host matrix of a different nature, the perfection of the crystal structure is distorted by the interface formed between the nanocrystal and the matrix. The larger the surface-to-volume ratio of the nanocrystal, the higher the influence of the interface defect states on its properties. The presence of defect states in the interface can also explain the different responses of the nanocrystals...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/19213
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.80.144109

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