(IMAGE) Technical University of Munich (TUM) Caption Benedikt Mayer and Lisa Janker are at the molecular beam epitaxy facility at the Walter Schottky Institute, Technical University of Munich. Credit Uli Benz / TUM 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.