Wei-jun Zheng acknowledges the Knowledge Innovation Program of the Chinese Academy of Sciences (No.KJCX2-EW-H01) and Hong-guang Xu acknowl- edges the National Natural Science Foundation of China (No.21103202) for financial support. The theoretical calculations were conducted on the ScGrid and Deep- Comp 7000 of the Supercomputing Center, Computer Network Information Center of the Chinese Academy of Sciences.
The growth pattern and electronic properties of TiGen^- (n=7-12) clusters were investigated using anion photoelectron spectroscopy and density functional theory calculations. For both anionic and neutral TiGen clust...