Fig. 1
From: Strong two-dimensional plasmon in Li-intercalated hexagonal boron-nitride film with low damping
The schematic representation of LiB2N2 crystal structure. a The lithium (“plasmon active”) layer occupies z = 0 plane and two parallel hBN (“supporting”) layers occupy z = ±c/2 planes. b Lithium atoms occupy hBN hollow sites in the order 2 × 2. c TBA hoping parameters
