Fig. 14: Electric polarization profiles in BaTiO3/SrTiO3 superlattices. | npj Computational Materials

Fig. 14: Electric polarization profiles in BaTiO3/SrTiO3 superlattices.

From: Interface enhanced functionalities in oxide superlattices under mechanical and electric boundary conditions

Fig. 14

a Computed polarization enhancement (Pλ/P0) decomposition on each layer λ based on the Born effective charges and atomic displacements. b Overall enhancement as a function of α = ℓSTO/ℓBTO computed from first-principles calculations (filled circle) compared with that from dielectric slab model (dashed line). Reproduced with permission from ref. 24. Copyright [2003] {AIP Publishing LLC}.

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