Self-Passivation of Defects: Effects of High-Energy Particle Irradiation on the Elastic Modulus of Multilayer Graphene

K Liu and CL Hsin and DY Fu and J Suh and S Tongay and M Chen and YH Sun and AM Yan and J Park and KM Yu and WL Guo and A Zettl and HM Zheng and DC Chrzan and JQ Wu, ADVANCED MATERIALS, 27, 6841-+ (2015).

DOI: 10.1002/adma.201501752

The elastic modulus of multilayer graphene is found to be more robust to damage created by high-energy a-particle irradiation as compared to monolayer graphene. Theoretical analysis indicates that irradiation of multilayer graphene generates interlayer links that potentially increase the stiffness of the multilayer by passivating local defects.

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