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Controlled carbon nanotube synthesis from germanium nanoparticles

Capasso, Andrea, Waclawik, Eric R., Bell, John M., Ruffell, Simon, Sgarlata, Anna, Scarselli, Manuela, De Crescenzi, Maurizio, & Motta, Nunzio (2010) Controlled carbon nanotube synthesis from germanium nanoparticles. In 2010 Materials Research Society Spring Meeting, 5-10 April 2010, San Francisco. (Unpublished)

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Abstract

Controlled syntheses of carbon nanotubes (CNTs) are highly desirable for nanoelectronic applications. To date, metallic catalyst particles have usually been deemed unavoidable for the nucleation and growth of any kind of CNTs. However, the presence of metal species mixed with the CNTs represents a shortcoming for most electronic applications, as metal particles are incompatible with silicon semiconductor technology. Recently it has been shown that it is possible to create nanotubes without the presence of metallic catalysts, by using SIO2, Ge and other non-metallic nanoparticles. Here we report on a metal-catalyst-free synthesis of CNTs, obtained through Ge nano-particles assembled on silicon surfaces previously patterned by Focused Ion Beam and nanoindentation.

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ID Code: 37310
Item Type: Conference Item (Poster)
Keywords: carbon nanotubes, germanium, self-assembly, patterning, focused ion beam
Subjects: Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanoelectronics (100705)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanofabrication Growth and Self Assembly (100706)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
Divisions: Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2010 the authors.
Deposited On: 29 Sep 2010 11:35
Last Modified: 11 Aug 2011 03:22

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