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This is a Experimental Study study.

September 24, 2025Open Access

Control of polarization and polar chiral textures in BiFeO₃ by epitaxial strain and interfacial chemistry

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Significant polarization control is achieved through interfacial chemistry and epitaxial strain in BiFeO3 films.
Piezoresponse microscopy reveals a complex domain architecture influenced by the substrate's polarization orientation.
Inserting a Bi2O2-terminated layer stabilizes uniform out-of-plane polarization in highly strained films.
Identification of homochiral polarization textures presents a promising avenue for future domain-based electronics.

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Observational analysis reveals polarization control in BiFeO3 thin films, indicating new strategies in ferroelectrics.

Gradauskaite et al. (2025) studied this question.

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