Stability and the proximity theorem in Casimir actuated nano devices

被引：35
作者：
Esquivel-Sirvent, R. [1 ]
Reyes, L. [1 ]
Barcenas, J. [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico
来源：
NEW JOURNAL OF PHYSICS | 2006年 / 8卷
关键词：
D O I：
10.1088/1367-2630/8/10/241
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A brief description of the stability problem in micro and nano electromechanical devices (MEMS/NEMS) actuated by Casimir forces is given. To enhance the stability, we propose the use of curved surfaces and recalculate the stability conditions by means of the proximity force approximation. The use of curved surfaces changes the bifurcation point, and the radius of curvature becomes a control parameter, allowing a rescaling of the elastic restitution constant and/or of the typical dimensions of the device.
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页数：9
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