Simulated (left) and experimental (right) position-averaged convergent beam electron diffraction patterns of projections from two different GdTiO₃ orientations.

From the article:

Symmetry Lowering in Extreme-Electron-Density Perovskite Quantum Wells
Jack Y. Zhang, Jinwoo Hwang, Santosh Raghavan, and Susanne Stemmer
Phys. Rev. Lett. 110, 256401 (2013)

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