(IMAGE) Toyohashi University of Technology (TUT) Caption These are bright-field (BF) scanning transmission electron microscope images, composed (Compo) elemental mappings, and illustrations of Cu alloy nanoparticles containing 30 percent Ni before and after oxidation treatment at 85 °C and 85 percent relative humidity. Credit COPYRIGHT (C) 2016 TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED. 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.