ultrahigh-vacuum atomic force microscope (IMAGE) DOE/Oak Ridge National Laboratory Caption Using the ultrahigh-vacuum atomic force microscope at DOE’s Center for Nanophase Materials Sciences at ORNL, researchers found unique environmentally induced ferroelectric phase transitions in hafnium zirconium oxide, a material important in developing advanced semiconductors. Credit Arthur Baddorf/ORNL, Dept. of Energy Usage Restrictions None License Original 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.