SEM Image of Graphene Circuitry (IMAGE) Georgia Institute of Technology Caption Scanning electron microscope image of nano-patterned epitaxial ultra-thin graphite films shows a hall bar structure used to measure transport properties under magnetic fields. Credit Image courtesy Zhimin Song 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.