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Molecular dynamics studies of CNT-ba...

Wang, Xiaohong.

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Molecular dynamics studies of CNT-based oscillators and their applications in nanoscale inertial measurement systems.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Molecular dynamics studies of CNT-based oscillators and their applications in nanoscale inertial measurement systems./
作者:	Wang, Xiaohong.
面頁冊數:	90 p.
附註:	Adviser: Qing Jiang.
Contained By:	Dissertation Abstracts International69-01B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3298265
ISBN:	9780549416456

Molecular dynamics studies of CNT-based oscillators and their applications in nanoscale inertial measurement systems.
Wang, Xiaohong.

Molecular dynamics studies of CNT-based oscillators and their applications in nanoscale inertial measurement systems. - 90 p.

Adviser: Qing Jiang.

Thesis (Ph.D.)--University of California, Riverside, 2007.

Investigations on carbon nanotubes (CNTs) have been inspired primarily by their extreme physical properties, as well as their versatile electronic properties. The concept of inter-wall translational oscillation of multi-walled CNTs that may be utilized to design mechanical oscillators of frequencies in the gigahertz (GHz) range, has been an investigative interest because NEMS of ultra-high frequencies have long been sought for a range of envisioned novel applications. Following the fundamental understanding of working principles and energy dissipation mechanisms of the proposed C60/CNT oscillator and 2Co CNT oscillators, a conceptual design for an inertial measurement system built upon the oscillatory characteristics of CNT oscillators has been developed. In the design, the instantaneous dynamic equilibrium position, which is uniquely related to the rotation of the platform, is traced by monitoring the variations of a tip-surface capacitance between the cap of the CNT and the metal electrode. The virtual experiment tests using molecular dynamics (MD) simulations on 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 sensitivity of such an inertial measurement system can be significantly enhanced by increasing the size and weight of the oscillating core. This concept is also applicable in the case that the platform moves with a linear acceleration along the CNT axis. This solidifies the feasibility of developing a nanoscale inertial measurement system, consisting of multiple measurement units, each being a double-walled CNT embedded in a metal electrode.

ISBN: 9780549416456Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Molecular dynamics studies of CNT-based oscillators and their applications in nanoscale inertial measurement systems.
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