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Keywords:

  • block copolymers;
  • hybrid patterns;
  • templated self-assembly;
  • graphoepitaxy;
  • square patterns
Thumbnail image of graphical abstract

Using an array of majority-block-functionalized posts makes it possible to locally control the self-assembly of a block copolymer and achieve several morphologies on a single substrate. A template consisting of a square symmetry array of posts produces a square-symmetry lattice of microdomains, which doubles the areal density of features.