Facet Development of Platinum Nanocube (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Berkeley Lab researchers found that differences in ligand mobility during crystallization cause the low index facets -- {100}, {110} and {111} -- to stop growing at different times, resulting in the crystal's final cubic shape. Credit Haimei Zheng group, Berkeley Lab 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.