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Finite Element-based Nonlinear Dynamic Optimization of Nanomechanical Resonators

Autor: Li, Zichao, Alijani, Farbod, Sarafraz, Ali, Xu, Minxing, Norte, Richard A., Aragon, Alejandro M., Steeneken, Peter G.

Nonlinear dynamic simulations of mechanical resonators have been facilitated by the advent of computational techniques that generate nonlinear reduced order models (ROMs) using the finite element (FE) method. However, designing devices with specific

Externí odkaz: http://arxiv.org/abs/2407.12600

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High-Strength Amorphous Silicon Carbide for Nanomechanics

Autor: Xu, Minxing, Shin, Dongil, Sberna, Paolo M., van der Kolk, Roald, Cupertino, Andrea, Bessa, Miguel A., Norte, Richard A.

For decades, mechanical resonators with high sensitivity have been realized using thin-film materials under high tensile loads. Although there have been remarkable strides in achieving low-dissipation mechanical sensors by utilizing high tensile stre

Externí odkaz: http://arxiv.org/abs/2307.01271

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Resolution Limits of Resonant Sensors with Duffing Non-Linearity

Autor: Manzaneque, Tomás, Ghatkesar, Murali K., Alijani, Farbod, Xu, Minxing, Norte, Richard A., Steeneken, Peter G.

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 all other noise sources have been eliminated. For linear resonators, t

Externí odkaz: http://arxiv.org/abs/2205.11903

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Akademický článek

Strain engineering of nonlinear nanoresonators from hardening to softening.

Autor: Li, Zichao¹ (AUTHOR) z.li-16@tudelft.nl, Xu, Minxing^1,2 (AUTHOR), Norte, Richard A.^1,2 (AUTHOR), Aragón, Alejandro M.¹ (AUTHOR), Steeneken, Peter G.^1,2 (AUTHOR), Alijani, Farbod¹ (AUTHOR) f.alijani@tudelft.nl

Publikováno v: Communications Physics. 2/12/2024, Vol. 7 Issue 1, p1-7. 7p.