PIEZO 2 (IMAGE) Rice University Caption An image from a Kelvin probe force microscope shows the electronic potential distribution across the metallic and semiconductor phases of MoTe2. A team of researchers led by Rice University discovered piezoelectricity across phase boundaries in the material. Credit Ajayan Research Group/Rice University 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.