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Figure 5

From: Tuning piezoelectric properties through epitaxy of La2Ti2O7 and related thin films

Figure 5

STEM-HAADF images of LTO/TiO2(110). (a), (b) As-deposited film. Regions of amorphous LTO, triangular defects of a secondary phase, and an unidentified phase similar to that observed for LTO/STO(110) are indicated. (c) STEM-HAADF image of LTO/TiO2(110) after annealing at 1000 °C/8 h in air. The LTO phase is La2/3TiO3(102). (d) Sketch of the correspondence of cation positions in the PLS [010] and cubic/pseudo-cubic perovskite [101] (orthorhombic [102]) directions.

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