Monometallic Endohedral Azafullerene (IMAGE) University of Science and Technology of China Caption Nitrogen substitution of carbon atoms on La@C3v(8)-C82 carbon cage. Credit Image by XIANG Wenhao et al. 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.