Stability and the proximity theorem in Casimir actuated nano devices

Esquivel-Sirvent, R., Reyes Galindo, Luis and Bárcenas, J. 2006. Stability and the proximity theorem in Casimir actuated nano devices. New Journal of Physics 8 , 241. 10.1088/1367-2630/8/10/241

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Abstract

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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Social Sciences (Includes Criminology and Education)
Subjects:	Q Science > QC Physics
Additional Information:	Part of: Focus on Casimir Forces
Publisher:	Institute of Physics
ISSN:	1367-2630
Date of First Compliant Deposit:	30 March 2016
Last Modified:	08 May 2023 14:59
URI:	https://orca.cardiff.ac.uk/id/eprint/53287

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