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Observation of Room Temperature Polar Skyrmions

Complex topological configurations are a fertile playground to explore novel emergent phenomena and exotic phases in condensed-matter physics.

For example, the recent discovery of polarization vortices and the associated complex-phase coexistence and response under applied field in superlattices of (PbTiO3)n/(SrTiO3)n suggests the presence of a complex, multi-dimensional system capable of…