Graphene (IMAGE) University of California - Riverside Caption Graphene consists of carbon atoms only one atomic layer thick, with the unique characteristic that its electrons behave as if they have zero mass. Credit Lau lab, UC Riverside. Usage Restrictions None 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.