2D Materials (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A 2D material sample that is held within an ultrahigh vacuum, low-temperature scanning probe microscope. Credit Marilyn Sargent/Berkeley Lab 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.