Metallic and ionic Fe induced growth of Si-SiOx core-shell nanowires
Description
Si-SiOx core-shell nanowires with a length of hundreds of micrometers and average diameters of 40-90 nm were fabricated by directly heating Si wafers coated with metallic Fe. These novel core-shell nanowires have a diamond structure for their ultrathin Si cores with a diameter of 5-8 nm aligned along the (111) growth directions inside much thicker amorphous SiO x shells. A new temperature-dependent alloy, metallic and ionic Fe (Fe-FeOx), catalyzed solid-liquid-solid mechanism is proposed to explain the growth of Si-SiOx core-shell nanowires based on both the synthesis conditions and microstructural characterizations.
Impact and interest:
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| ID Code: | 228248 | ||
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| Item Type: | Contribution to Journal (Journal Article) | ||
| Refereed: | Yes | ||
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| Measurements or Duration: | 7 pages | ||
| DOI: | 10.1021/jp105952m | ||
| ISSN: | 1932-7447 | ||
| Pure ID: | 105671161 | ||
| Divisions: | Past > QUT Faculties & Divisions > Science & Engineering Faculty Past > Schools > School of Civil Engineering & Built Environment Current > QUT Faculties and Divisions > Faculty of Science Current > Schools > School of Chemistry & Physics Current > Schools > School of Mechanical, Medical & Process Engineering Past > QUT Faculties & Divisions > Division of Research and Innovation |
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| Copyright Owner: | Consult author(s) regarding copyright matters | ||
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||
| Deposited On: | 15 Feb 2022 06:09 | ||
| Last Modified: | 20 Jun 2024 13:58 |
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