Temperature and strain-rate effects on the deformation behaviors of nano-crystalline graphene sheetsZhi Yang, Yuhong Huang, Fei Ma, Yunjin Sun, Kewei Xu and Paul K. ChuEur. Phys. J. B, 88 5 (2015) 135DOI: https://doi.org/10.1140/epjb/e2015-50850-x