Stacking on the Graphene (IMAGE) Tohoku University Caption The schematic crystal structures of (a) ABA- and (b) ABC- stacked three layer graphene. Credit Katsuaki Sugawara Usage Restrictions Credit: Katsuaki Sugawara License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.