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Scaling law in carbon nanotube electromechanical devices

LEFEVRE, R ; GOFFMAN, M. F ; DERYCKE, V ; MIKO, C ; FORRO, L ; BOURGOIN, J. P ; HESTO, P

Physical review letters, 2005-10, Vol.95 (18), p.185504.1-185504.4, Article 185504 [Periódico revisado por pares]

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Título:
Scaling law in carbon nanotube electromechanical devices
Autor: LEFEVRE, R ; GOFFMAN, M. F ; DERYCKE, V ; MIKO, C ; FORRO, L ; BOURGOIN, J. P ; HESTO, P
Assuntos: Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Dielectrics, piezoelectrics, and ferroelectrics and their properties ; Exact sciences and technology ; Physics ; Piezoelectricity and electromechanical effects
É parte de: Physical review letters, 2005-10, Vol.95 (18), p.185504.1-185504.4, Article 185504
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: We report a method for probing electromechanical properties of multiwalled carbon nanotubes (CNTs). This method is based on atomic force microscopy measurements on a doubly clamped suspended CNT electrostatically deflected by a gate electrode. We measure the maximum deflection as a function of the applied gate voltage. Data from different CNTs scale into an universal curve within the experimental accuracy, in agreement with a continuum model prediction. This method and the general validity of the scaling law constitute a very useful tool for designing actuators and in general conducting nanowire-based nanoelectromechanical systems.
Editor: Ridge, NY: American Physical Society
Idioma: Inglês

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