Jannik Meyer, University of Vienna (image) University of Vienna Share Print E-Mail Caption Jannik Meyer from the Department of Physics of Nanostructured Materials and his team have directly imaged the diffusion of a butterfly-shaped atomic defect in graphene. Credit (Copyright: University of Vienna) Usage Restrictions The image may only be used with appropriate caption or credit. Share Print E-Mail 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.