fig3

Figure 3. (A) Atomic resolution images of SrTiO₃ viewed along the [001] direction with ABF (11-22 mrad), BF (0-22 mrad), and ADF (90-170 mrad) STEM images. Adapted with permission^[33]. Copyright © 2012 Elsevier. (B) DPC detector configuration with accompanying A-C and B-D STEM images of the ferroelectric Pb(Zr_0.2Ti_0.8)O₃ thin films. Contrast resulting from the ferroelectric domain structures in Pb(Zr_0.2Ti_0.8)O₃ are visible. Reprinted with permission^[34] Copyright © 2021 MDPI. (C) Atomic resolution iDPC images of gallium nitride (GaN) oriented along the [11$$\overline{2}$$0] and [10$$\overline{1}$$1] orientations. Reprinted with permission^[35]. Copyright © 2018 Nature Publishing Group.