Gas damping of carbon nanotube oscillators

被引：25
|
作者：
Martin, Michael James [1 ]
Houston, Brian H. [1 ]
机构：
[1] USN, Res Lab, Washington, DC 20375 USA
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 10期
关键词：
D O I：
10.1063/1.2779973
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Previous experimental results suggest that gas damping is a significant loss mechanism for carbon-nanotube-based mechanical resonators operating in low vacuum conditions. Using free-molecular flow theory for the gas and a continuum-based model for the nanotube resonator, a model for gas damping of single-wall carbon nanotube bridges and cantilevers is proposed. When compared to experimental data for a single-wall carbon nanotube bridge oscillator, the model agrees to within the limits of the known experimental geometry.
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页数：3
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