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. 2017 Jun 6;8:15549. doi: 10.1038/ncomms15549

Figure 2. Thickness-dependent atomic displacements in PZT/SrTiO3.

Figure 2

(a) An ABF image from a region with thickness of 6.5-unit cells. Scale bar, 0.5 nm. (b) Mean of displacements are calculated from of |d1–d2|/2 and |d3–d4|/2. The error bar is the s.d. (c) Mean of polarization calculated from the displacements. The error bar is the s.d. (d) An ABF image from a region with thickness of 4-unit cells. Scale bar, 0.5 nm. (e) Mean of displacements are calculated from of |d1-d2|/2 and |d3-d4|/2. The error bar is the s.d. (f) Mean of polarization calculated from the displacements. The error bar is the s.d. (g) An ABF image from a region with thickness of 1.5-unit cells. Scale bar, 0.5 nm. (h) Mean of displacements are calculated from of |d1-d2|/2 and |d3-d4|/2. The error bar is the s.d. (i) Mean of polarization calculated from the displacements. The error bar is the s.d.