PSE Single Crystal (IMAGE) DOE/Argonne National Laboratory Caption Argonne scientists have looked at the local ferroelectric properties of the bottom atomic layers of freestanding complex oxide PZT detached from the epitaxial substrate. Credit Argonne National 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.