Journal
APPLIED PHYSICS LETTERS
Volume 99, Issue 20, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3660739
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Funding
- NSF of China [10732040, 11172160]
- Fok Ying Tung Education Foundation [121005]
- Shanghai Shuguang Program [08SG39]
- Shanghai Rising Star Program [09QH1401000]
- Shanghai Leading Academic Discipline Project [S30106]
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An analytical molecular mechanics model is developed to relate the bending properties of a single layer graphene to its atomic structure. Explicit expression for the bending stiffness of graphene with arbitrary chirality is derived. The results show that the bending stiffness of graphene depends significantly on the chiral angle, especially when the bending curvature is large. Curvature can induce significant anisotropic bending properties of graphene. The present analytical results are helpful for understanding of chirality- and curvature-dependent bending properties of graphene and thus useful for potential applications of graphene as a bending component of nano devices. (C) 2011 American Institute of Physics. [doi:10.1063/1.3660739]
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