Fig. 6: Atomistic structure of modified WS2-Al2O3 interfaces.
From: Mobility calculation in disordered WS2-Al2O3 stacks from first principles

Every colored sphere represents a different atomic species: red, O; light blue, Al; white, H; yellow, S; gray, W; green, B; light violet, N. a Sharpcut-x4 structure where WS2 is encapsulated between 2 hBN layers before Al2O3 is added. b Sapphire Al2O3-WS2 structure.