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Figure 4
A scheme of the bi-epitaxial growth of the two families, labelled A and B: (a) the model (116)F || (110)S; (b) growth on {100}S facets. For clarity, the half-volume subcell based on SBN perovskite blocks (meaning a and b = aSBN21/2/2 and bSBN21/2/2) has been drawn.
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