Deterministic shape control in plasma-aided nanotip assembly

Tam, E., Levchenko, I., & Ostrikov, K. (2006) Deterministic shape control in plasma-aided nanotip assembly. Journal of Applied Physics, 100(3), 036104-1.

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Abstract

The possibility of deterministic plasma-assisted reshaping of capped cylindrical seed nanotips by manipulating the plasma parameter-dependent sheath width is shown. Multiscale hybrid gas phase/solid surface numerical experiments reveal that under the wide-sheath conditions the nanotips widen at the base and when the sheath is narrow, they sharpen up. By combining the wide- and narrow-sheath stages in a single process, it turns out possible to synthesize wide-base nanotips with long- and narrow-apex spikes, ideal for electron microemitter applications. This plasma-based approach is generic and can be applied to a larger number of multipurpose nanoassemblies. © 2005 American Institute of Physics.

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52 citations in Scopus
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50 citations in Web of Science®

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ID Code: 73886
Item Type: Journal Article
Refereed: Yes
Additional URLs:
DOI: 10.1063/1.2219378
ISSN: 0021-8979
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2006 American Institute of Physics
Deposited On: 14 Jul 2014 03:07
Last Modified: 15 Jul 2014 02:03

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