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Quantum Chemistry

Pull-in features of nanoswitches in the Casimir regime with account of contact repulsion

arXiv
Authors: G. L. Klimchitskaya, A. S. Korotkov, V. V. Loboda, V. M. Mostepanenko

Year

2024

Paper ID

37958

Status

Preprint

Abstract Read

~2 min

Abstract Words

125

Citations

N/A

Abstract

The cantilever tip of a nanoswitch in close proximity to the ground plate is considered with account of electrostatic, elastic, van der Waals (Casimir), and also contact repulsive forces. The van der Waals (Casimir) and contact repulsive forces are computed for a Si cantilever and either Au or Ni ground plates using the Lifshitz theory and the method of pairwise summation with account of surface roughness. It is shown that at short separations an impact of the van der Waals (Casimir) force leads to the pull-in and collapse of a cantilever onto the ground plate if the contact repulsion is disregarded. Taking into consideration contact repulsion, the nanoswitch is demonstrated to have the stable cyclic behavior with no pull-in when switching voltage on and off.

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  • The cantilever tip of a nanoswitch in close proximity to the ground plate is considered with account of electrostatic, elastic, van der Waals (Casimir), and also contact...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2410.14377 [2] arXiv https://arxiv.org/abs/2410.14377 [3] Publisher https://arxiv.org/abs/2410.14377

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