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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Thelander, Kimberly Dick
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2015Electrical and Surface Properties of InAs/InSb Nanowires Cleaned by Atomic Hydrogencitations
- 2012High crystal quality wurtzite-zinc blende heterostructures in metal-organic vapor phase epitaxy-grown GaAs nanowirescitations
- 2011Crystal structure control in Au-free self-seeded InSb wire growth.citations
- 2008Control of GaP and GaAs Nanowire Morphology through Particle and Substrate Chemical Modification.citations
- 2007Directed growth of branched nanowire structures
- 2007Targeted deposition of Au aerosol nanoparticles on vertical nanowires for the creation of nanotreescitations
- 2006Crystal structure of branched epitaxial III-V nanotreescitations
- 2005A new understanding of au-assisted growth of III-V semiconductor nanowirescitations
- 2005Role of the Au/III-V interaction in the Au-assisted growth of III-V branched nanostructurescitations
- 2004Growth of GaP nanotree structures by sequential seeding of 1D nanowirescitations
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article
Growth of GaP nanotree structures by sequential seeding of 1D nanowires
Abstract
Complex nanostructures are becoming increasingly important for the development of nanoscale devices and functional nanomaterials. Precise control of size and morphology of these structures is critical to their fabrication and exploitation. We have developed a method for stepwise growth of tree-like nanostructures via the vapour liquid-solid (VLS) growth mode, demonstrated for III-V semiconductor materials. This method uses the initial seeding of nanowires by catalytic aerosol nanoparticles to form the trunk, followed by sequential seeding of branching structures. Here we present a detailed study of the growth of these complex structures using Gap. Diameter of each level of nanowires is directly determined by seed particle diameters, and number of branches is determined by seed particle density. Growth rate is shown to increase with temperature to a maximum corresponding to the temperature of complete decomposition of the Group-III precursor material, and subsequently decrease due to competition with bulk growth. Growth rate also depends on flow of the Group-III precursor, but not on the Group-V precursor. Finally, there is a relationship between the number of branches and their growth rate, suggesting that material diffusion plays a role in nanowire branch growth. (C) 2004 Elsevier B.V. All rights reserved.