Suspended Graphene with Thin Film (IMAGE) University of Vermont Caption In a vacuum, a suspended sheet of one-atom-thick graphene (brown lattice) could be manipulated to create a liquid film (atoms in dark blue) that stops growing at a thickness between 3 and 50 nanometers. By stretching the graphene, doping it with other atoms, or applying a weak electrical field nearby, the University of Vermont researchers who made the discovery have evidence that the number of atoms in an ultra-thin film can be controlled. Credit courtesy Adrian Del Maestro et al. Usage Restrictions with coverage of associated story 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.