Extended Data Fig. 4 | STM images from randomly selected locations. a–h, Images of a 1.5 × 1.5 cm^2 hBN film grown on Cu (111)/c-sapphire, where the angle (θ)
between the hBN lattice orientation (black arrow) and the horizontal line (black dashed line) in each image is 26.5° ± 1°, indicating that the hBN is a single-crystal
film.
sean pound
(Sean Pound)
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