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. 2021 Dec 3;118(50):e2115703118. doi: 10.1073/pnas.2115703118

Fig. 4.

Fig. 4.

Moiré ferroelectricity. (A) Electrostatic force microscopy image of twisted hBN with triangular potential modulation. Reprinted from ref. 40 which is licensed under CC BY 4.0. (B) Schematic relative shift between the bands of the upper and down layer in different stacking regions of twisted semiconducting bilayer. Reprinted with permission from ref. 41. (C) Twist-angle dependence of interlayer exciton energy in different stacking regions of moiré supercell. Reprinted from ref. 42 which is licensed under CC BY 4.0.