Nature Communications (Jan 2022)

Signatures of enhanced out-of-plane polarization in asymmetric BaTiO3 superlattices integrated on silicon

  • Binbin Chen,
  • Nicolas Gauquelin,
  • Nives Strkalj,
  • Sizhao Huang,
  • Ufuk Halisdemir,
  • Minh Duc Nguyen,
  • Daen Jannis,
  • Martin F. Sarott,
  • Felix Eltes,
  • Stefan Abel,
  • Matjaž Spreitzer,
  • Manfred Fiebig,
  • Morgan Trassin,
  • Jean Fompeyrine,
  • Johan Verbeeck,
  • Mark Huijben,
  • Guus Rijnders,
  • Gertjan Koster

DOI
https://doi.org/10.1038/s41467-021-27898-x
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 8

Abstract

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Integrating multifunctional oxides on silicon is highly desirable. Here, the authors present asymmetric BaTiO3 superlattices on silicon exhibiting enhanced out-of-plane polarization by harnessing the interfacial strain and broken inversion symmetry.