Strain-enhanced dynamic ranges in two-dimensional MoS2 and MoTe2 nanomechanical resonators

P Zhang, Y Jia, Z Liu, R Yang - Applied Physics Reviews, 2024 - pubs.aip.org
Two-dimensional (2D) materials are promising for atomic-scale, ultralow-power, and highly
tunable resonant nanoelectromechanical systems (NEMS) in sensing, communications, and …

Tunable Stochastic State Switching in 2D MoS2 Nanomechanical Resonators with Nonlinear Mode Coupling and Internal Resonance

P Zhang, Y Jia, S Yuan, Z Liu, R Yang - Nano Letters, 2024 - ACS Publications
Coupled nanomechanical resonators have unveiled fascinating physical phenomena,
including phonon–cavity coupling, coupled energy decay pathway, avoided crossing, and …

Unveiling the tradeoff between device scale and surface nonidealities for an optimized quality factor at room temperature in 2D MoS2 nanomechanical resonators

P Zhang, Y Jia, S Yuan, M Xie, Z Liu, H Jia… - Microsystems & …, 2024 - nature.com
A high quality (Q) factor is essential for enhancing the performance of resonant
nanoelectromechanical systems (NEMS). NEMS resonators based on two-dimensional (2D) …

Synchronization bandwidth enhancement induced by a parametrically excited oscillator

J Song, Y Xu, Q Yang, R Huan, X Wei - Microsystems & …, 2024 - nature.com
The synchronization phenomenon in nature has been utilized in sensing and timekeeping
fields due to its numerous advantages, including amplitude and frequency stabilization …

Dynamic Range Tuning in 2D Molybdenum Disulfide NEMS Resonators Towards an Enhanced Mass Resolution

P Zhang, M Shen, Y Zhang, S Yuan… - 2024 IEEE 37th …, 2024 - ieeexplore.ieee.org
We report on the measurements of gate-enhanced dynamic ranges in resonant two-
dimensional (2D) molybdenum disulfide (MoS 2) nanoelectromechanical systems (NEMS) …

Enhanced Quality Factor in 2D NEMS Resonators by Optimizing Air Damping and Thermoelastic Damping

P Zhang, Y Jia, M Xie, Z Liu, Y Zhang… - 2024 IEEE 37th …, 2024 - ieeexplore.ieee.org
We achieve an improved quality (Q) factor in a two-dimensional (2D) molybdenum disulfide
(MoS 2) nanomechanical resonator at room temperature, by reducing air damping …

Polymethyl Methacrylate (PMMA) Pyrolysis Assisted Transfer of 2D Materials for Large-Scale Molybdenum Disulfide Nems Resonator Arrays

Z Liu, J Wei, P Zhang, Y Jia, Y Chen… - 2024 IEEE 37th …, 2024 - ieeexplore.ieee.org
We develop a novel fabrication technique for large-scale two-dimensional (2D) molybdenum
disulfide (MoS 2) nanoelectromechanical resonator arrays, based on polymethyl …

Electromechanical characteristics of free-standing 20nm HfZrOx NEMS resonator

H Lyu, W Yang, H Zhong, Z Liu, Z Wang… - 2024 IEEE 19th …, 2024 - ieeexplore.ieee.org
HfZrO x materials have garnered significant interest due to their exceptional ferroelectric
polarization reversibility, polarization switching properties, and potent piezoelectric …

Nonlinear Damping And Quality Factor In 2d Molybdenum Disulfide Nems Resonators At Varying Electrical Drive

P Zhang, J Sun, Y Zhang, M Xie, M Shen… - 2024 IEEE 37th …, 2024 - ieeexplore.ieee.org
We present a comprehensive technique for accurately extracting the quality (Q) factor when
nonlinear damping is taken into account, using two-dimensional (2D) molybdenum disulfide …

Unveiling the Tradeoff between Device Scale and Surface Nonidealities toward an Optimized Quality Factor at Room Temperature in 2D MoS2 Nanomechanical …

R Yang, P Zhang, Y Jia, S Yuan, M Xie, Z Liu, H Jia - 2024 - researchsquare.com
A high quality (Q) factor is essential for enhancing the performance of resonant
nanoelectromechanical systems (NEMS). NEMS resonators based on two-dimensional (2D) …