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Research Article

Temperature-Dependent Mechanical Properties of Graphene/Cu Nanocomposites with In-Plane Negative Poisson’s Ratios

Table 3

In-plane properties of monolayer graphene under different temperatures (11 and 22 directions are, respectively, referred to as zig-zag and armchair directions).

Temperature (K) (GPa nm) (GPa nm) (GPa nm) (×10-6 K-1) (×10-6 K-1)

300357.27339.82128.91-0.0409-0.0392-11.952-11.948
500353.24330.04131.71-0.0412-0.0389-9.6269-9.6267
700349.71327.29137.62-0.0436-0.0411-8.1185-8.1177
1000321.54305.84143.73-0.0501-0.0482-6.6417-6.6397