Imaging Grains and Grain Boundaries in Single-Layer Graphene: An Atomic Patchwork Quilt

Pinshane Y. Huang*, Carlos S. Ruiz-Vargas*, Arend M. van der Zande*, William S. Whitney, Mark P. Levendorf, Joshua W. Kevek, Shivank Garg, Jonathan S. Alden, Caleb J. Hustedt, Ye Zhu, Jiwoong Park, Paul L. McEuen, David A. Muller *These authors contributed equally to this work.