[HTML][HTML] Effective quality factor tuning mechanisms in micromechanical resonators
Quality factor (Q) is an important property of micro-and nano-electromechanical (MEM/NEM)
resonators that underlie timing references, frequency sources, atomic force microscopes …
resonators that underlie timing references, frequency sources, atomic force microscopes …
Dynamics of 2D material membranes
The dynamics of suspended two-dimensional (2D) materials has received increasing
attention during the last decade, yielding new techniques to study and interpret the physics …
attention during the last decade, yielding new techniques to study and interpret the physics …
Nonlinear dynamic characterization of two-dimensional materials
Owing to their atomic-scale thickness, the resonances of two-dimensional (2D) material
membranes show signatures of nonlinearities at forces of only a few picoNewtons. Although …
membranes show signatures of nonlinearities at forces of only a few picoNewtons. Although …
Synchronization process expediting in nonlinear oscillators via reconfiguration of the potential well pattern
The synchronization phenomenon has garnered significant attention and extensive study
due to its frequency locking effect, finding applications in diverse fields such as …
due to its frequency locking effect, finding applications in diverse fields such as …
Opto-thermally excited multimode parametric resonance in graphene membranes
In the field of nanomechanics, parametric excitations are of interest since they can greatly
enhance sensing capabilities and eliminate cross-talk. Above a certain threshold of the …
enhance sensing capabilities and eliminate cross-talk. Above a certain threshold of the …
Giant parametric amplification and spectral narrowing in atomically thin MoS2 nanomechanical resonators
Pre-amplification of ultrasmall signals directly in the mechanical domain and boosting
quality (Q) factors in nanoelectromechanical systems (NEMS) are intriguing scientific …
quality (Q) factors in nanoelectromechanical systems (NEMS) are intriguing scientific …
Limit cycles and bifurcations in a nonlinear MEMS resonator with a 1: 3 internal resonance
This work investigates the behavior of an AlGaAs/GaAs piezoelectric nonlinear MEMS
oscillator exhibiting a 1: 3 internal resonance. The device is explored in an open-loop …
oscillator exhibiting a 1: 3 internal resonance. The device is explored in an open-loop …
Exploiting and tailoring 1: 2 internal resonance in a stepped beam micromechanical resonator for frequency stabilization
Exploiting multi-mode nonlinear behavior benefits the performance enhancement of
resonant Micro-Electro-Mechanical-Systems (MEMS). Recent developments in nonlinear …
resonant Micro-Electro-Mechanical-Systems (MEMS). Recent developments in nonlinear …
Demonstration of multiple internal resonances in a microelectromechanical self-sustained oscillator
We investigate the dynamics of a microelectromechanical self-sustained oscillator
supporting multiple resonating and interacting modes. In particular, the interaction of the first …
supporting multiple resonating and interacting modes. In particular, the interaction of the first …
Self-sustained libration regime in nonlinear microelectromechanical devices
We present a mode of operation for Duffing-type nonlinear microelectromechanical system
devices whereby a self-sustained multifrequency output is generated. This self-sustained …
devices whereby a self-sustained multifrequency output is generated. This self-sustained …