Experimental realization of dice-lattice flat band at the Fermi level in layered electride YCl

S Songyuan Geng (Advanced Materials, Function Hub) X Xin Wang R Risi Guo C Chen Qiu F Fangjie Chen Q Qun Wang (State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research) K Kangjie Li P Peipei Hao H Hanpu Liang Y Yang Huang (Guizhou Provincial Key Laboratory of Innovation and Manufacturing for Pharmaceuticals, School of Pharmacy) Y Yunbo Wu S Shengtao Cui Z Zhe Sun T Timur K. Kim (Diamond Light Source) C Cephise Cacho D Daniel S. Dessau B Benjamin T. Zhou H Haoxiang Li (State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, School of Biomedical Sciences)