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Gold/boron core-shell nanocables synthesized from gold-boron eutectic droplets
KTH, School of Information and Communication Technology (ICT), Material Physics, Material Physics, MF.
2008 (English)In: Nanotechnology, ISSN 0957-4484, E-ISSN 1361-6528, Vol. 19, no 5, 055606- p.Article in journal (Refereed) Published
Abstract [en]

Metal/semiconductor coreshell coaxial nanocables are promising building blocks for nanoelectronic devices while in situ growth of these nanocables remains challenging due to the distinctly different synthesis temperature ranges required for metals and semiconductors. To overcome this difficulty, we have developed a vaporliquidsolid and oxide-assisted bimodal competition growth strategy for in situ metal/semiconductor coreshell nanocable growth. Using this process, gold/boron coreshell nanocables were obtained. A coreshell Au-B/BOx eutectic droplet formed via hydrogen gas-assisted rapid cooling was found critical for initiation of the nanocable growth. In addition, the large difference in the boron nanowire growth rates in the vapor-liquid-solid and oxide-assisted mechanisms facilitates the layered growth in the nanocables. The compatibility of this method with the vapor-liquid-solid process applied widely for semiconductor nanowire growth allows in situ connection of metal/semiconductor nanocables with semiconductor nanowires.

Place, publisher, year, edition, pages
2008. Vol. 19, no 5, 055606- p.
Keyword [en]
Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied
National Category
Materials Engineering Other Engineering and Technologies
URN: urn:nbn:se:kth:diva-36310DOI: 10.1088/0957-4484/19/05/055606ISI: 000252967100016ScopusID: 2-s2.0-38349064875OAI: diva2:430576
QC 20110711Available from: 2011-07-11 Created: 2011-07-11 Last updated: 2011-07-11Bibliographically approved

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