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Schematic diagram of the morphology difference between the films grown at with and with , relative to the normal cubic symmetry associated with bulk at room temperature.
Change in the (a) in-plane and (b) out-of-plane lattice parameter with decreasing temperature for films with (∎) and (▴) . Dotted region shows discontinuity in the -axis at for the film with .
The effect of cooling on the ratio of films with (∎) and (▴) . Dotted region shows where ratio increases suddenly at for the film with .
Dielectric constant vs dc bias for films with (∎) and (▴) .
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