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Kim, Sung Youb
Computational Advanced Nanomechanics (CAN) Lab
Research Interests
  • Computational Mechanics

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On the effective plate thickness of monolayer graphene from flexural wave propagation

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Title
On the effective plate thickness of monolayer graphene from flexural wave propagation
Author
Kim, Sung YoubPark, Harold S.
Keywords
Anti-symmetric; Classical molecular dynamics; Dispersion relationship; Flexural wave propagation; Graphene sheets; Plate thickness; Terahertz range; Thin plate; Thin plate theory; Transverse wave propagation; Transverse waves; Wave speed
Issue Date
201109
Publisher
AMER INST PHYSICS
Citation
JOURNAL OF APPLIED PHYSICS, v.110, no.5, pp.054324 -
Abstract
We utilize classical molecular dynamics to study flexural, or transverse wave propagation in monolayer graphene sheets and compare the resulting dispersion relationships to those expected from continuum thin plate theory. In doing so, we determine that regardless of the chirality for monolayer graphene, transverse waves exhibit a dispersion relationship that corresponds to the lowest order antisymmetric (A0) mode of wave propagation in a thin plate with plate thickness of h = 0.104 nm. Finally, we find that the achievable wave speeds in monolayer graphene are found to exceed those reported previously for single walled carbon nanotubes, while the frequency of wave propagation in the graphene monolayer is found to reach the terahertz range, similar to that of carbon nanotubes.
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DOI
http://dx.doi.org/10.1063/1.3633230
ISSN
0021-8979
Appears in Collections:
MNE_Journal Papers
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