Cesium Lead Bromide Nanocrystal (IMAGE) ETH Zurich Caption A cesium lead bromide nanocrystal under the electron microscope (crystal width: 14 nanometer). Individual atoms are visible as points. Credit ETH Zurich / Empa / Maksym Kovalenko 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.