Xiaohong Wang and Qing Jiang 2008 Nanotechnology 19 085708 doi:10.1088/0957-4484/19/8/085708
Developing nanoscale inertial measurement systems with carbon nanotube oscillators
Xiaohong Wang and Qing Jiang1
Show affiliationsWe have developed a conceptual design for an inertial measurement system using the oscillatory characteristics of carbon nanotube (CNT) oscillators with or without fillings, and performed molecular dynamics (MD) simulations to investigate its dynamic operations. In the operations, the instantaneous equilibrium position, which is uniquely related to the rotation, is traced by monitoring the variations of the tip–surface capacitance, i.e., the capacitance between a spherical cap of the oscillating CNT and an adjacent metallic plate. The MD simulations for the three model systems: the (5, 5)&(10, 10) CNT system, and the (10, 10)&(15, 15) CNT system with copper and gold fillings, respectively, show that the induced variations of the tip–surface capacitance can be significantly enhanced by increasing the size and the weight of the oscillating core of such an inertial measurement system.
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Issue 8 (27 February 2008)
Received 20 October 2007, in final form 7 December 2007
Published 4 February 2008
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Developing nanoscale inertial measurement systems with carbon nanotube oscillators
Xiaohong Wang and Qing Jiang 2008 Nanotechnology 19 085708
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