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. 2016 Sep 13;6:33139. doi: 10.1038/srep33139

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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Planar stress (σ_xy) distribution of the square graphene membrane with two fixed edges (in x direction) at the simulation time of: (a) 4.6 ps, inset shows the initial crack which is similar as that observed from its counterpart with all edges fixed in inset of Fig. 3a, (b) 5.1 ps, inset shows the existences of monoatomic chains, and (c) 7.9 ps, which shows the final failure shape of graphene membrane, and the dashed lines illustrate the crack orientations.