Perovskite (IMAGE) DOE/SLAC National Accelerator Laboratory Caption According to a new SLAC study, atoms in perovskites respond to light with unusual rotational motions and distortions that could explain the high efficiency of these next-generation solar cell materials. Credit SLAC National Accelerator Laboratory 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.