EFFECT of SURFACE LAYER on ELECTROMECHANICAL STABILITY of TWEEZERS and CANTILEVERS FABRICATED from CONDUCTIVE CYLINDRICAL NANOWIRES

Keivani, Maryam. and Koochi, Ali. and Sedighi, Hamid.M. and Abadyan, Mohamadreza. and Farrokhabadi, Amin. and Shahedin, Abed Moheb. (2016) EFFECT of SURFACE LAYER on ELECTROMECHANICAL STABILITY of TWEEZERS and CANTILEVERS FABRICATED from CONDUCTIVE CYLINDRICAL NANOWIRES. Surface Review and Letters, 23 (2).

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Abstract

Herein, the impact of surface layer on the stability of nanoscale tweezers and cantilevers fabricated from nanowires with cylindrical cross section is studied. A modified continuum based on the Gurtin-Murdoch surface elasticity is applied for incorporating the presence of surface layer. Considering the cylindrical geometry of the nanowire, the presence of the Coulomb attraction and dispersion forces are incorporated in the derived formulations. Three different approaches, i.e. numerical differential quadrature method (DQM), an approximated homotopy perturbation method (HPM) and developing lumped parameter model (LPM) have been employed to solve the governing equations. The impact of surface layer on the instability of the system is demonstrated. © 2016 World Scientific Publishing Company.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: electromechanical stabilityو nanocantileverو nanotweezersو Surface layer
Subjects: QT physiology
Divisions: Reserach Vice-Chancellar Department
Depositing User: zahra bagheri .
Date Deposited: 05 Jul 2017 06:58
Last Modified: 17 Feb 2018 07:18
URI: http://eprints.skums.ac.ir/id/eprint/801

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