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. 2019 Feb 15;5(2):eaau7023. doi: 10.1126/sciadv.aau7023

Fig. 3. Strain-driven transitions.

Fig. 3

(A) Polarization (top) and energy difference between the NDW-polar and ND-ESB states (bottom) as a function of the epitaxial constraint asub; details as in Fig. 2. (B) Position of the ESB center (top) and related susceptibility (bottom) as a function of asub (see the main text for definitions). In the top figure, the dashed line marks the regime where the polar NDW becomes the ground state and the polar ESB is a metastable solution. (C) Polarization map for the polar ESB state that appears for asub ≳ 3.95 Å. (D) For the same state, color map for the orientation of the in-plane polarization (Px, Py), evidencing the formation of 90° DWs.