Graphene's Electronic Stripes (IMAGE) University College London Caption These are electronic stripes, called "charge density waves," on the surface of a graphitic superconductor. Credit K. A. Rahnejat Usage Restrictions Credit K.A. Rahnejat 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.