Piezoelectricity in MoS2 (2 of 2) (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption To maximize piezoelectric coupling, electrodes (yellow dashed lines) were defined parallel to the zigzag edges (white dashed lines) of the MoS2 monolayer. Green and red colors denote the intensity of reflection and photoluminescence respectively. Credit (Image courtesy of Xiang Zhang, Berkeley Lab) 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.