Please use this identifier to cite or link to this item: https://doi.org/10.1088/0957-4484/20/42/425604
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dc.titleHeterostructures of germanium nanowires and germanium-silicon oxide nanotubes and growth mechanisms
dc.contributor.authorHuang, J.Q.
dc.contributor.authorChiam, S.Y.
dc.contributor.authorChim, W.K.
dc.contributor.authorWong, L.M.
dc.contributor.authorWang, S.J.
dc.date.accessioned2014-10-07T04:29:29Z
dc.date.available2014-10-07T04:29:29Z
dc.date.issued2009
dc.identifier.citationHuang, J.Q., Chiam, S.Y., Chim, W.K., Wong, L.M., Wang, S.J. (2009). Heterostructures of germanium nanowires and germanium-silicon oxide nanotubes and growth mechanisms. Nanotechnology 20 (42) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/0957-4484/20/42/425604
dc.identifier.issn09574484
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82445
dc.description.abstractWe report on a method to fabricate one-dimensional heterostructures of germanium nanowires (GeNWs) and germanium-silicon oxide nanotubes (GeSiO xNTs). The synthesis of the wire-tube heterostructures is carried out using a simple furnace set-up with germanium tetraiodide and germanium powders as growth precursors, gold-dotted silicon wafers as substrates and by controlling the temperature ramp rate/sequence of the growth precursors. Two types of wire-tube heterostructures resulting from distinct growth mechanisms are obtained. The type-1 heterostructure consists of a GeNW, grown via a gold-catalyzed vapour-liquid-solid process, at the lower end and a GeSiO xNT at the upper end. In contrast, the type-2 heterostructure is made up of a solid wire at the upper end and a hollow tube at the lower end. The solid wire portion of the type-2 heterostructure is formed through an oxide-assisted growth process. © 2009 IOP Publishing Ltd.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1088/0957-4484/20/42/425604
dc.description.sourcetitleNanotechnology
dc.description.volume20
dc.description.issue42
dc.description.page-
dc.description.codenNNOTE
dc.identifier.isiut000270219800019
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