1. Upconversion luminescence modulated by alkali metal (Li, Na, and K) induced crystallization in Er3+/Yb3+ co-doped β-PbF2 oxyfluoride glass ceramics. Issue 4 (20th December 2019) Authors: Guo, Yuao; Zhao, Lijuan; Fu, Yuting; Dong, Haotian; Yu, Hua Journal: CrystEngComm Issue: Volume 22:Issue 4(2020) Page Start: 686 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗