Atomic Magnets (IMAGE) Stevens Institute of Technology Caption A ferromagnetic semiconductor semiconductor two-atoms thick. The green, blue, and red spheres are sulfur, molybdenum and iron atoms, respectively. Credit Stevens Institute of Technology Usage Restrictions None 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.