Electron Microscopy Image (IMAGE) University of Minnesota Caption This high resolution electron microscopy image confirms the tetragonal phase of Ru as predicted by the study authors. Credit University of Minnesota, Quarterman <i>et al, Nature Communications</i> Usage Restrictions with clear credit 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.