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Keywords:

  • BiFeO3;
  • boundary grains;
  • domain walls;
  • electrodes;
  • thin films
Thumbnail image of graphical abstract

Two-variant stripe domains in BiFeO3 films on miscut (001) SrTiO3 substrates exhibit square-like, complete ferroelectric switching with low leakage current. Both the preferential distortion of BiFeO3 unit cells and the persistent step-flow growth induced by the substrate anisotropy are the origins of the formation of the two-variant stripe domains in (001) BiFeO3 films.