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GeOᵪ and SiOᵪ nanowires grown via the active oxidation of Ge and Si substrates

Shalav, Avi; Collin, Gabriel; Yang, Yi; Kim, Taehyun; Elliman, Robert G.

Description

In this study, we show that the volatile monoxide species generated during the active oxidation of Ge and Si substrates can be utilized in the presence of Au catalytic nanoparticles to nucleate and grow GeOx and SiOx nanowires. A simple thermodynamic model is developed to ascertain the critical O2 partial pressure as a function of temperature required for the active oxidation of Ge and Si substrates and is experimentally verified. The ideal conditions for uniform nanowire growth across the...[Show more]

CollectionsANU Research Publications
Date published: 2011-07-12
Type: Journal article
URI: http://hdl.handle.net/1885/101056
Source: Journal of Materials Research
DOI: 10.1557/jmr.2011.150

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