Schematic representations showing the connectivity of BX6 octahedra in different dimensionalities (3D, 2D, 1D, and 0D) at the molecular levels. D, dimensional. Reused from Zhou et al. (Mater Sci Eng R Rep 2020;141:100548) [17] with original copyright holder’s permission.

Progress in Medical Physics 2022;33:11~24 https://doi.org/10.14316/pmp.2022.33.2.11