Geodesic Carbon Nanodomes (IMAGE) American Physical Society Caption Carbon atoms form dome structures on iridium substrates, en route to forming larger scale graphene sheets. Credit Image courtesy of Alan Stonebraker. 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.