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This research aims to investigate polar states in wrinkled bilayer BaTiO3 nanomembranes and their mechanical and electrical properties.

Skyrmionium-like ring-domain polar textures in wrinkled freestanding bilayer BaTiO 3 nanomembranes

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Randomized trial explores ring-domain polar textures in bilayer nanomembranes, suggesting new ferroelectric functionalities.

This research aims to investigate polar states in wrinkled bilayer BaTiO3 nanomembranes and their mechanical and electrical properties.
Used angle-resolved piezoresponse force microscopy to analyze textures
Conducted phase-field simulations to study strain effects
Examined the effects of local electric bias on domain configuration.
Observed pronounced ring-domain piezoresponse features in bilayer membranes
Phase-field simulations indicated the role of strain gradients and flexoelectric effects
Electric bias altered the size of the inner domain, demonstrating tunability.

Hou et al. (2026) studied this question.

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