California Golden Bears logo (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Photoluminescent image of the California Golden Bears logo emitted from five-element ZrSnTeHfPt single crystals under UV lamp excitation. The crystals were formed from “multielement ink.” The experiment demonstrates the material’s potential as a color-tunable LED device. Credit Maria Folgueras and Peidong Yang/Berkeley Lab Usage Restrictions None License Original 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.