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Structural Perturbations Within Ge Nanocrystals in Silica

Cheung, Allen; de Azevedo, Gustavo; Glover, Christopher; Llewellyn, David; Elliman, Robert; Foran, Garry J; Ridgway, Mark C

Description

Ge nanocrystals retain the diamond-type lattice characteristic of bulk crystalline materials. However, EXAFS measurements demonstrate the presence of atomic-scale structural perturbations in Ge nanocrystals relative to bulk crystalline material. These perturbations are apparent as both bond length and bond angle distortions and attributed to the influences of interfacial-bonding-induced strain and a matrix-induced compression.

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/74829
Source: Applied Physics Letters
DOI: 10.1063/1.1639136

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