147 citations · 536 across the 32 of their papers we have counts for
33 papers
Nonadiabatic dynamics under slow parametric modulation in nonlinear graphene resonators
Chris F. D. Wattjes, Haemin Lim, Pierpaolo Belardinelli +3
Resonantly driven nonlinear systems, from superconducting circuits to nanomechanical resonators, are often described in a rotating frame, where amplitude and phase evolve slowly wi…
Dynamics of amorphous membranes in the two-dimensional limit
Liga Jasulaneca, Alberto Martín-Pérez, Hongji Zhang +7
Atomically thin mechanical resonators have been realized predominantly in crystalline two-dimensional (2D) materials, such as graphene, where long-range crystalline order sets thei…
Optomechanical tuning of nonlinearity in graphene resonators
Alberto Martín-Pérez, Peter G. Steeneken, Farbod Alijani
Graphene resonators exhibit unique mechanical and electrical properties, making them promising candidates for next-generation sensing applications. Here, we introduce an optomechan…
Experimental Quantification of Nonlinear Mode Coupling in Nanomechanical Resonators using Multi-tone Excitation
Chris F. D. Wattjes, Zichao Li, Minxing Xu +3
Nonlinear modal interactions in resonant systems govern a wide range of phenomena, with broad relevance across modern physics and engineering. Yet, experimentally determining the s…
A machine learning framework for uncovering stochastic nonlinear dynamics from noisy data
Matteo Bosso, Giovanni Franzese, Kushal Swamy +3
Modeling real-world systems requires accounting for noise - whether it arises from unpredictable fluctuations in financial markets, irregular rhythms in biological systems, or envi…
Frequency Stability of Graphene Nonlinear Parametric Oscillator
Enise Kartal, Oriel Shoshani, Elena Botnaru +3
High-frequency stability is crucial for the performance of graphene resonators in sensing and timekeeping applications. However, the extreme miniaturization and high mechanical com…
Mechanical Reinforcement of Graphene via Wrinkling
Hadi Arjmandi-Tash, Roshan Prasad, Hanqing Liu +3
Mechanical cantilevers are central to nanotechnology, with ultimate sensitivity achieved at the atomic limit, where low bending rigidity makes stability the fundamental challenge.…
Cascade of Modal Interactions in Nanomechanical Resonators with Soft Clamping
Zichao Li, Minxing Xu, Richard A. Norte +3
We uncover a chain of nonlinear modal interactions in softly clamped nanostring resonators. The process involves the sequential coupling of five mechanical modes, during frequency…
Dissipation Dilution-Driven Topology Optimization for Maximizing the Factor of Nanomechanical Resonators
Hendrik J. Algra, Zichao Li, Matthijs Langelaar +2
The quality factor ( factor) of nanomechanical resonators is influenced by geometry and stress, a phenomenon called dissipation dilution. Studies have explored maximizing this e…
Finite Element-based Nonlinear Dynamic Optimization of Nanomechanical Resonators
Zichao Li, Farbod Alijani, Ali Sarafraz +4
Nonlinear dynamic simulations of mechanical resonators have been facilitated by the advent of computational techniques that generate nonlinear reduced order models (ROMs) using the…
Synchronization of E. coli bacteria moving in coupled wells
Aleksandre Japaridze, Victor Struijk, Kushal Swamy +4
Synchronization plays a crucial role in the dynamics of living organisms, from fireflies flashing in unison to pacemaker cells that jointly generate heartbeats. Uncovering the mech…
Tuning dissipation dilution in 2D material resonators by MEMS-induced tension
M. P. F. Wopereis, N. Bouman, S. Dutta +3
Resonators based on two-dimensional (2D) materials have exceptional properties for application as nanomechanical sensors, which allows them to operate at high frequencies with high…
Hidden vibrational bistability revealed by intrinsic fluctuations of a carbon nanotube
P. Belardinelli, W. Yang, A. Bachtold +2
We demonstrate that a quiet state and large-amplitude self-sustained oscillations can co-exist in a carbon nanotube subject to time-independent drive. A feature of the bistability…
Quantifying stress distribution in ultra-large graphene drums through mode shape imaging
Ali Sarafraz, Hanqing Liu, Katarina Cvetanović +6
Suspended drums made of 2D materials hold potential for sensing applications. However, the industrialization of these applications is hindered by significant device-to-device varia…
Nonlinear dynamics and magneto-elasticity of nanodrums near the phase transition
Makars Šiškins, Ata Keşkekler, Maurits J. A. Houmes +6
Nanomechanical resonances of two-dimensional (2D) materials are sensitive probes for condensed-matter physics, offering new insights into magnetic and electronic phase transitions.…
Characterizing multi-mode nonlinear dynamics of nanomechanical resonators
Ata Keşkekler, Vincent Bos, Alejandro M. Aragón +2
Mechanical nonlinearities dominate the motion of nanoresonators already at relatively small oscillation amplitudes. Although single and coupled two-degrees-of-freedom models have b…
Dynamics of pressurized ultra-thin membranes
Ali Sarafraz, Arthur Givois, Irek Roslon +5
The resonance frequency of ultra-thin layered two-dimensional (2D) materials changes nonlinearly with the tension induced by the pressure from the surrounding gas. Although the dyn…
Beating ringdowns of near-degenerate mechanical resonances
Matthijs H. J. de Jong, Andrea Cupertino, Dongil Shin +4
Mechanical resonators that possess coupled modes with harmonic frequency relations have recently sparked interest due to their suitability for controllable energy transfer and non-…
Diamagnetic composites for high-Q levitating resonators
Xianfeng Chen, Satya K. Ammu, Kunal Masania +2
Levitation offers extreme isolation of mechanical systems from their environment, while enabling unconstrained high-precision translation and rotation of objects. Diamagnetic levit…
Sensitivity of viscoelastic characterization in multi-harmonic atomic force microscopy
Abhilash Chandrashekar, Arthur Givois, Pierpaolo Belardinelli +4
Quantifying the nanomechanical properties of soft-matter using multi-frequency atomic force microscopy (AFM) is crucial for studying the performance of polymers, ultra-thin coating…
Resolution Limits of Resonant Sensors with Duffing Non-Linearity
Tomás Manzaneque, Murali K. Ghatkesar, Farbod Alijani +3
The resolution of resonant sensors is fundamentally limited by the presence of noise. Thermomechanical noise, intrinsic to the resonator, sets the ultimate sensor performance when…
Symmetry-breaking induced frequency combs in graphene resonators
Ata Keşkekler, Hadi Arjmandi, Peter G. Steeneken +1
Nonlinearities are inherent to the dynamics of two-dimensional materials. Phenomena like intermodal coupling already arise at amplitudes of only a few nanometers, and a range of un…
Dynamics of 2D Material Membranes
Peter G. Steeneken, Robin J. Dolleman, Dejan Davidovikj +2
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 that g…
Diamagnetically levitating resonant weighing scale
Xianfeng Chen, Nimit Kothari, Ata Keşkekler +2
Diamagnetic levitation offers stable confinement of an object from its environment at zero power, and thus is a promising technique for developing next generation unclamped resonan…