Micrograph (IMAGE) Aalto University Caption LEFT: scanning transmission electron microscope image of single-walled carbon nanotubes on graphene. Due to strong van der Waals interaction, the bundle has collapsed into a wide ribbon. RIGHT: an atomically resolved closeup of an individual tube-graphene interface Credit Kimmo Mustonen / Jani Kotakoski, University of Vienna Usage Restrictions With credit 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.