NDLI: In-situ tem-stm observations of swcnt ropes/tubular transformations

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In-situ tem-stm observations of swcnt ropes/tubular transformations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sola, F. Meador, M. A. Lebron-Colon, M. Ferreira, P. J. Fonseca, L. F. Marin, C.
Copyright Year	2010
Description	Single-walled carbon nanotubes (SWCNTs) prepared by the HiPco process were purified using a modified gas phase purification technique. A TEM-STM holder was used to study the morphological changes of SWCNT ropes as a function of applied voltage. Kink formation, buckling behavior, tubular transformation and eventual breakdown of the system were observed. The tubular formation was attributed to a transformation from SWCNT ropes to multi-walled carbon nanotube (MWCNT) structures. It is likely mediated by the patching and tearing mechanism which is promoted primarily by the mobile vacancies generated due to current-induced heating and, to some extent, by electron irradiation.
File Size	692857
Page Count	6
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110016092
Archival Resource Key	ark:/13960/t39073v3z
Language	English
Publisher Date	2010-01-01
Access Restriction	Open
Subject Keyword	Electronics And Electrical Engineering Electric Potential Purification Electron Irradiation Heating Vapor Phases Morphology Carbon Nanotubes Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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