Structure of the nanographene ovalene (IMAGE) Kumamoto University Caption (Top) The chemical structure of ovalene, (bottom left) a typical EC-STM image of ovalene on Au(111), and (bottom right) Kumamoto University researcher’s proposed model of the specially arranged ovalene adlayer based on the STM image. Credit Dr. Soichiro Yoshimoto Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.