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Type: Artigo de periódico
Title: Carbon Nanotubes As Reinforcement Elements Of Composite Nanotools
Author: Nakabayashi D.
Moreau A.L.D.
Coluci V.R.
Galvao D.S.
Cotta M.A.
Ugarte D.
Abstract: Nanotechnology is stimulating the development of nanomanipulators, including tips to interact with individual nanosystems. Fabricating nanotips fulfilling the requirements of shape (size, aspect ratio), mechanical, magnetic, and electrical properties is a material science challenge. Here, we report the generation of reinforced carbon-carbon composite nanotools using a nanotube (CNTs) covered by an amorphous carbon matrix (shell); the CNT tip protruded and remained uncoated to preserve apex size. Unsuitable properties such as flexibility and vibration could be controlled without deteriorating the CNT size, strength, and resilience. Nanomanipulation experiments and molecular dynamics simulations have been used to study the mechanical response of these composite beams under bending efforts. AFM probes based on these C-C composite high aspect ratio tips generated excellent image resolution and showed no degradation after acquiring several hundred (400) images. © 2008 American Chemical Society.
Citation: Nano Letters. , v. 8, n. 3, p. 842 - 847, 2008.
Rights: fechado
Identifier DOI: 10.1021/nl0729633
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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