85 citations · 444 across the 9 of their papers we have counts for
3 papers · 1 filter
Strained crystalline nanomechanical resonators with ultralow dissipation
Alberto Beccari, Diego A. Visani, Sergey A. Fedorov +4
In strained mechanical resonators, the concurrence of tensile stress and geometric nonlinearity dramatically reduces dissipation. This phenomenon, dissipation dilution, is employed…
Hierarchical tensile structures with ultralow mechanical dissipation
Mohammad J. Bereyhi, Alberto Beccari, Robin Groth +4
Structural hierarchy is found in myriad biological systems and has improved man-made structures ranging from the Eiffel tower to optical cavities. Hierarchical metamaterials utiliz…
Fractal-like mechanical resonators with soft-clamped fundamental mode
Sergey A. Fedorov, Alberto Beccari, Nils J. Engelsen +1
Self-similar structures occur naturally and have been employed to engineer exotic physical properties. Here we show that acoustic modes of a fractal-like system of tensioned string…