Platinum on Iron Oxide (image) Vienna University of Technology Share Print E-Mail Caption Left: This is a tiny platinum nanoparticles on an iron oxide surface. center: H2 gas leads to trenches in the surface. right: O2 gas causes additional iron oxide islands to grow. Credit TU Wien Usage Restrictions None Share Print E-Mail 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.