Charge Redistribution at Interfaces (IMAGE) Deutsches Elektronen-Synchrotron DESY Caption Left: If the lanthanum aluminate layer (blue) is less than three unit cells, the electrons redistribute in sub-layers. Right: If the layer has four unit cells or more, some electrons migrate to the interface. Credit Credit: Michael Rübhausen, University of Hamburg Usage Restrictions Free for use when reporting on the related paper. 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.