Figure 6
(a) Atomic configuration of g-Al2O3 (stick bonds schematic). (b) Atomic configuration of g-Al2O3 (schematic of the OAl3 triclusters (red) and OAl4 tetraclusters (yellow)). (c) Atomic configuration of g-Al2O3 with voids. Pink and red circles represent Al and O atoms, respectively, and green regions show the voids.
