Patterns of polar vortices discovered in lead-free superlattices on silicon

October 25, 2026 · 5:00 pm 1 sources

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• Patterns of polar vortices discovered in lead-free superlattices on silicon
  Phys.org · October 25, 2026 17:00
  A team at HZB has, for the first time, reported polar vortices in (BaTiO₃/SrTiO₃)₁₀ superlattices on silicon. These results expand the range of materials and substrates on which polar topological textures can occur and open up new options for incorporating complex ferroelectric states into…