FDT on a Perovskite Surface (IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption This is a 3-D illustration of FDT molecules on a surface of perovskite crystals. Credit Credit: Sven M. Hein Copyright: EPFL Usage Restrictions For media, educational, and non-commercial usage only. Please mention 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.