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Figure 1

From: Homoepitaxial SrTiO3(111) Film with High Dielectric Performance and Atomically Well-Defined Surface

Figure 1

(a) The STM image (+2.5 V/50 pA) of the (6 × 6)-reconstructed SrTiO3(111) substrate surface. The right inset shows the zoom-in features and the left inset shows RHEED patterns of the corresponding surface. (b) Procedures of adjusting the source temperature for the optimization of film cation stoichiometry. The change of ΔSr is schematically shown while the corresponding intensity of RHEED (01) spot IR is presented in the bottom panel.

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