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Lattice distortion (c∕a) of BTO∕STO artificial superlattice with the misfit strain.
Total energy of BTO∕STO artificial superlattice as a function of misfit strain.
Polarization of BTO∕STO superlattice with the misfit strain.
Schematic of polarization directions of BTO∕STO superlattice and the angle between the polarization vector and  direction with the misfit strain.
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