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View Code? Open in Web Editor NEWWe identify a ferroelectric topological structure, termed "dipole spiral," which exhibits a giant intrinsic piezoelectric response (>320 pC/N). This helical structure, primarily stabilized by entropy and possessing a rotational zero-energy mode, unlocks new possibilities for exploring chiral phonon dynamics and dipolar DM-like interactions.
Home Page: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.046802
License: MIT License