2-D Crystal (IMAGE) Penn State Caption This is an electron microscopy image of ordered atoms of tungsten (W) and molybdenum (Mo) against artistic representations of triangular single layer flakes of WxMo1-xS2 on a substrate. Credit Amin Azizi and Andrea Kohler/ Penn State 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.