The mechanical properties of oxidized graphitic layers are calculated by atomic ab initio simulations and continuum theory of elasticity. The adsorption of atomic oxygen atoms induces a nanocorrugation as well as a local bonding reinforcement that modify the bending coefficient of a graphite layer. As a matter of fact, a surface oxygen composition of 12.5% leads to an increase of the rigidity coefficient by more than a factor of 40. We thus demonstrate that oxidation also has a considerable impact on the mechanical properties of graphite structures.
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