Distribution of ion-current density on substrate between carbon nanotubes grown from low-temperature plasma

Levchenko, I., Ostrikov, K., & Xu, S. (2008) Distribution of ion-current density on substrate between carbon nanotubes grown from low-temperature plasma. IEEE Transactions on Plasma Science, 36(4), pp. 864-865.

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Using Monte Carlo simulation technique, we have calculated the distribution of ion current extracted from low-temperature plasmas and deposited onto the substrate covered with a nanotube array. We have shown that a free-standing carbon nanotube is enclosed in a circular bead of the ion current, whereas in square and hexagonal nanotube patterns, the ion current is mainly concentrated along the lines connecting the nearest nanotubes. In a very dense array (with the distance between nanotubes/nanotube-height ratio less than 0.05), the ions do not penetrate to the substrate surface and deposit on side surfaces of the nanotubes.

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ID Code: 73825
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Arrays, Carbon, Carbon nanotubes, Electric fields, Nanotubes, Plasma-surface interaction, Plasmas, Substrates, Surface treatment
DOI: 10.1109/TPS.2008.924406
ISSN: 0093-3813
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 14 Jul 2014 01:45
Last Modified: 15 Jul 2014 00:49

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