Realizing 303 ps Ultrafast Scintillation Time in 2-Inch CsPbCl 3 Single Crystals Grown Under Br 2 Overpressure. - Yang, Jingwei; Wang, Fangbao; Chen, Liang; Bo, Tao; Chai, Zhifang; Lin, Wenwen (Materials (1996-1944), 2026)