Cerium Dioxide Nanoparticles (IMAGE) European Synchrotron Radiation Facility Caption This is an image of the 3nm CeO2 nanoparticles taken with a transmission electron microscope. Credit ESRF 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.