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| (a) An atomic structural model of the anatase±LaAlO3 interface.
Small, intermediate and large circles represent O, Ti and La atoms respectively.
(b) Simulated image based on the structural model in (a). The image simulation conditions are a sample thickness t=5 nm and a defocus f=-65 nm. The metal atomic columns in (a) are imaged as white spots in (b). (c) An experimental image. The black lines indicate the interface. |