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Fig. 2. (Color online) (a) Simulated Ewald sphere of in-plane matched possible diffractions for BST/Al2O3 hetero-structured thin film (The grayed area denotes forbidden diffraction). The ϕ-scan results of (b) Al2O3 (1 0 2) and (c) BST (1 0 5) reflections for BST/Al2O3 heterostructure by spontaneous van der Waals epitaxy.
New Phys.: Sae Mulli 2021;71:347~352