Fig. 2
From: Electronic-reconstruction-enhanced hydrogen evolution catalysis in oxide polymorphs
Microstructural characterization of the cubic γ-Ti2O3 polymorph. a Sketch of the γ-Ti2O3/STO heterostructure. b Cross-sectional low-resolution STEM image and (c) high-resolution HAADF-STEM image of the γ-Ti2O3/STO interface. d HAADF-STEM image and the corresponding HAADF signal profile obtained along (100) and (001) directions of γ-Ti2O3 from (c)
