2024
DOI: 10.1038/s41467-024-49707-x
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Experimental demonstration of tunable hybrid improper ferroelectricity in double-perovskite superlattice films

Yaoxiang Jiang,
Jianguo Niu,
Cong Wang
et al.

Abstract: Hybrid improper ferroelectricity can effectively avoid the intrinsic chemical incompatibility of electronic mechanism for multiferroics. Perovskite superlattices, as theoretically proposed hybrid improper ferroelectrics with simple structure and high technological compatibility, are conducive to device integration and miniaturization, but the experimental realization remains elusive. Here, we report a strain-driven oxygen octahedral distortion strategy for hybrid improper ferroelectricity in La2NiMnO6/La2CoMnO… Show more

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