2-D Micrograph (IMAGE) Penn State Caption Close up of molybdenum sulfide area in a scanning tunneling microscope. Credit Reprinted with permission from <em>ACS Nano</em> 12, 3, 2569-2579. Copyright 2018 American Chemical Society. Usage Restrictions Non commercial use only 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.