Laser Monolayer Schematic (image) University of California - Berkeley Share Print E-Mail Caption This is a schematic of a laser beam energizing a monolayer semiconductor made up of molybdenum disulfide (MoS2). The red glowing dots are particles excited by the laser. Credit Image by Der-Hsien Lien Usage Restrictions All rights reserved. Editorial use only. Share Print E-Mail 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.