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Influence of surface energy on the non-linear pull-in instability of nano-switches

Wang, K. F. and Wang, Baolin L. (2014). Influence of surface energy on the non-linear pull-in instability of nano-switches. International Journal of Non-Linear Mechanics,59:69-75.

Document type: Journal Article
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IRMA ID 75039815xPUB299
Title Influence of surface energy on the non-linear pull-in instability of nano-switches
Author Wang, K. F.
Wang, Baolin L.
Journal Name International Journal of Non-Linear Mechanics
Publication Date 2014
Volume Number 59
ISSN 0020-7462   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84890927286
Start Page 69
End Page 75
Total Pages 7
Place of Publication United Kingdom
Publisher Pergamon Press
HERDC Category C1 - Journal Article (DIISR)
Abstract This paper investigates the pull-in instability of a nano-switch under electrostatic and intermolecular Casimir forces. The analysis is based on the geometrically non-linear Euler–Bernoulli beam theory with consideration of the surface energy. Through differential quadrature method (DQM), the pull-in voltages of the nano-switch are obtained. Results show that the effect of surface energy and geometrically non-linear deformation on the pull-in voltage depends on the length, height and initial gap of the nano-switch. In addition, the effect of intermolecular Casimir force on the pull-in voltage weakens as the initial gap increases.
Keywords Surface energy
Geometrically non-linear
Pull-in voltage
Nano-switch
DOI http://dx.doi.org/10.1016/j.ijnonlinmec.2013.11.004   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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