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Continuum elastic modeling of graphene resonators
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- Atalaya, Juan, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Isacsson, Andreas, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kinaret, Jari, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- (creator_code:org_t)
- 2008
- 2008
- English.
- In: Nano Letters. - 1530-6992 .- 1530-6984. ; 8:12, s. 4196-4200
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Starting from an atomistic approach, we have derived a hierarchy of successively more simplified continuum elasticity descriptions for modeling the mechanical properties of suspended graphene sheets. We find that already for deflections of the order of 0.5 Å a theory that correctly accounts for nonlinearities is necessary and that for many purposes a set of coupled Duffing-type equations may be used to accurately describe the dynamics of graphene membranes. The descriptions are validated by applying them to square graphene-based resonators with clamped edges and studying numerically their mechanical responses. Both static and dynamic responses are treated, and we find good agreement with recent experimental findings.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- resonator
- NEMS
- Graphene
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- ref (subject category)
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