Layered molybdenum (IMAGE) Penn State Caption Layers of molybdenum carbide and molybdenum sulfide allow superconductivity at 50 percent higher temperatures. Credit Elizabeth Flores-Gomez Murray/ 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.