1 Hefei National Laboratory for Physical Sciences at Microscale & Department of Materials Science and Engineering, University of Science and Technology of China (USTC), Hefei 230026, China. sfyang@ustc.edu.cn
With the successful isolation of TiSc(2)N@C(80), the first Ti-containing nitride clusterfullerene (NCF), a non-group-III metal is stabilized in a NCF for the first time.