Transition-metal dichalcogenide Illustration (IMAGE) DOE/Princeton Plasma Physics Laboratory Caption An artist’s depiction of a missing chalcogen atom in the middle layer of a bulk transition-metal dichalcogenide. Credit Illustration: Kyle Palmer / PPPL Communications Department Usage Restrictions Credit must be given to the creator. License CC BY 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.