Volume 87, Number 1, July 2009
|Number of page(s)||5|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||21 July 2009|
Controlled driven oscillations of double-walled carbon nanotubes
Department of Mechanical & Aerospace Engineering, Monash University - Clayton, VIC3800, Australia
2 Department of Engineering Mechanics, Tsinghua University - Beijing, China
Corresponding author: email@example.com
Accepted: 18 June 2009
The quest to develop workable electromechanical mechanisms in the nanoscale has often been predicated on meeting the conditions of super-low damping. We show here that the use of periodic forces to drive sliding core/shell double-walled carbon nanotube architectures produces oscillating-displacement response characteristics that are far more complex than cantilever-based designs, which suggest that meeting the conditions of controllability is much more pertinent for such architectures. Knowledge of these characteristics is necessary to successfully create sliding core/shell oscillator architectures that are capable of operating at gigahertz frequencies. In this work, we investigated the cases of the core and shell having equal and unequal lengths; and show the merits of using the latter.
PACS: 61.46.-w – Structure of nanoscale materials / 85.35.Kt – Nanotube devices
© EPLA, 2009
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