Fig. 2From: Enhanced Thermoelectric Performance of c-Axis-Oriented Epitaxial Ba-Doped BiCuSeO Thin Filmsa Low- and (b) high-magnification cross-sectional TEM image of a Bi0.925Ba0.075CuSeO film on SrTiO3 (001) substrate. c The magnified HRTEM image of the film part. d The corresponding SEAD pattern of the Bi0.925Ba0.075CuSeO/SrTiO3 cross section. The electron beam incident direction in a–d is all along the [001] directionBack to article page