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Nonlinear damping i...
Nonlinear damping in graphene resonators
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- Croy, Alexander, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Midtvedt, Daniel, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Isacsson, Andreas, 1975 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kinaret, Jari, 1962 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2012
- 2012
- Engelska.
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Ingår i: Physical Review B - Condensed Matter and Materials Physics. - 2469-9950 .- 2469-9969. ; 86:23, s. Article Number: 235435-
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Based on a continuum mechanical model for single-layer graphene, we propose and analyze a microscopic mechanism for dissipation in nanoelectromechanical graphene resonators. We find that coupling between flexural modes and in-plane phonons leads to linear and nonlinear damping of out-of-plane vibrations. By tuning external parameters such as bias and ac voltages, one can cross over from a linear-to a nonlinear-damping dominated regime. We discuss the behavior of the effective quality factor in this context. DOI: 10.1103/PhysRevB.86.235435
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- quantum ground-state
- monolayer graphene
- membranes
- adhesion
- systems
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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