UCR Silicon-Tin Nanocomposite (IMAGE) University of California - Riverside Caption The silicon-tin nanocomposite developed at UCR viewed by high angle angular dark field imaging. The larger green particles are silicon and the smaller red particles are tin. Credit UC Riverside 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.