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Keywords:

  • magnetic materials;
  • nanostructures;
  • oxides;
  • self-assembly;
  • thin films
Thumbnail image of graphical abstract

Epitaxial self-assembled Sr-La oxide insulating nanodots are formed through a new mechanism at the surface of an epitaxial metallic ferromagnetic La0.7Sr0.3MnO3 film grown on SrTiO3 from chemical solutions, as reported by C. Moreno et al. on page 2139. TEM analysis reveals that, underneath the La-Sr oxide nanodots, the film switches from the compressive out-of-plane stress component to a tensile component.