Size-dependent non-linear mechanical properties of graphene nanoribbons

The size effect in mechanical properties of finite-sized graphene nanoribbon

“…A brittle failure mechanism is observed at room temperature. Using structural mechanics based on modified Morse potential, Georgantiznos et al [16] studied both AGNRs and ZGNRs of various sizes. For fixed width, longer GNRs of both types have smaller Young's modulus, and slightly smaller failure stress and failure strain.…”

“…For GNRs, although precise fabrication methods have been developed recently [10,11], there are still very few experimental results available in the literature. Thus, valuable exploratory studies in this field are currently done by theoretical and computational methods based on molecular dynamics (MD) [9,[12][13][14], structural or continuum mechanics [15,16], and quantum mechanics [17,18] methods.…”

The strain capacitor: A novel energy storage device

“…One material that has been identified is graphene, as it has a higher maximum strain and higher Young's modulus than silicon. [17][18][19][20][21][22][23] Theoretically, single layer graphene could have a strain energy density of 46,000 MJ/m 3 , which exceeds the energy density of most batteries.…”

Graphene Nanoribbons (GNRs) for Future Interconnect

“…Young Modulus, E = 1 TPa, Failure Stress σ f = 0.13 TPa, and Failure Strain, ε f = 0.25 were used as datum for the load bearing capacity of the GNRs that is scarcely measured experimentally due to difficulty in sample preparation. Molecular Dynamic Analysis [44] and Atomic non-linear FE analysis of GNRs [45] had exhibited results within the order of magnitudes. Effects of temperature and temperature variation rates had also studied by the use of molecular dynamic simulations [46].…”