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Nonlinear Dynamics of Silicon Nanowire Resonator Considering Nonlocal Effect
Leisheng Jin,
Lijie Li 
Nanoscale Research Letters, Volume: 12, Issue: 1
Swansea University Author:
Lijie Li
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DOI (Published version): 10.1186/s11671-017-2106-9
Abstract
In this work, nonlinear dynamics of silicon nanowire resonator considering nonlocal effect has been investigated. For the first time, dynamical parameters (e.g., resonant frequency, Duffing coefficient, and the damping ratio) that directly influence the nonlinear dynamics of the nanostructure have b...
| Published in: | Nanoscale Research Letters |
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| ISSN: | 1931-7573 1556-276X |
| Published: |
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa33646 |
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| Abstract: |
In this work, nonlinear dynamics of silicon nanowire resonator considering nonlocal effect has been investigated. For the first time, dynamical parameters (e.g., resonant frequency, Duffing coefficient, and the damping ratio) that directly influence the nonlinear dynamics of the nanostructure have been derived. Subsequently, by calculating their response with the varied nonlocal coefficient, it is unveiled that the nonlocal effect makes more obvious impacts at the starting range (from zero to a small value), while the impact of nonlocal effect becomes weaker when the nonlocal term reaches to a certain threshold value. Furthermore, to characterize the role played by nonlocal effect in exerting influence on nonlinear behaviors such as bifurcation and chaos (typical phenomena in nonlinear dynamics of nanoscale devices), we have calculated the Lyapunov exponents and bifurcation diagram with and without nonlocal effect, and results shows the nonlocal effect causes the most significant effect as the device is at resonance. This work advances the development of nanowire resonators that are working beyond linear regime. |
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| Keywords: |
Silicon nanowire resonator, Chaotic vibration, Nonlocal effect |
| College: |
Faculty of Science and Engineering |
| Issue: |
1 |