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Ruffell, Simon
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Publications (5/5 displayed)
- 2018Room temperature synthesis of HfO2/HfO x heterostructures by ion-implantationcitations
- 2018Room temperature synthesis of HfO2/HfO x heterostructures by ion-implantationcitations
- 2010Carbon nanotube synthesis from germanium nanoparticles on patterned substratescitations
- 2010Formation of Si-nanocrystals in SiO2 via ion implantation and rapid thermal processingcitations
- 2010Towards controlled growth of carbon nanotubes from germanium on nanoindented silicon substrates
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Towards controlled growth of carbon nanotubes from germanium on nanoindented silicon substrates
Abstract
In this paper, we report on a metal-catalyst-free synthesis of carbon nanotubes (CNTs) on a pre-patterned Si(001) surface. Arrays of triangular-shaped holes were created by nanoindentation in specific sites of the sample. After germanium deposition and chemical vapor deposition (CVD) of acetylene, a few CNTs nucleated and grew from germanium nanoparticles. These results illustrate that it is possible to control the growth of CNTs without the use of any metal catalyst. By leading the assembly of Ge nanoparticles with a patterning technique, a precise control over the growth order is also attainable.