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

Liu, Kai; Hsin, Cheng-Lun; Fu, Deyi; Suh, Joonki; Tongay, Sefaattin; Chen, Michelle; Sun, Yinghui; Yan, Aiming et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

The elastic modulus of multilayer graphene is found to be more robust to damage created by high-energy α-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.