Mathew, John P. ; Bhushan, Anand ; Deshmukh, Mandar M. (2018) Tension mediated nonlinear coupling between orthogonal mechanical modes of nanowire resonators Solid State Communications, 282 . pp. 17-20. ISSN 0038-1098
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Official URL: https://www.sciencedirect.com/science/article/pii/...
Related URL: http://dx.doi.org/https://doi.org/10.1016/j.ssc.2018.07.009
Abstract
We study the nonlinear coupling between orthogonal flexural modes of doubly clamped InAs nanowire resonators. The two orthogonal modes are formed by the symmetry breaking and lifting of degeneracy of the fundamental mode. The presence of a Duffing nonlinearity emerges when a mode is driven to large amplitudes. In this regime the modes are coupled due to the tension induced from the large amplitude of oscillations and is reflected in the hysteretic response of the mode that is not strongly driven. We study the driven-driven response of the mechanical modes to elucidate the role of nonlinear mode coupling in such mechanical resonators. The dynamics of the coupled modes studied here could prove useful in technological applications such as nanowire based vectorial force sensing.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Nanowire Resonator, NEMS, Nonlinear Coupling. |
| ID Code: | 117624 |
| Deposited On: | 28 Apr 2021 12:49 |
| Last Modified: | 28 Apr 2021 12:49 |
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