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Keywords:

  • carbohydrates;
  • high-index facets;
  • iron oxide;
  • magnetic properties;
  • nanoparticles
Thumbnail image of graphical abstract

Just the shape of it: Tetrakaidecahedral (see picture, left) and oblique parallelepiped (right) α-Fe2O3 polyhedra with exposed high-index facets were obtained in high yield. Magnetic studies show that these two forms of iron oxide have distinct magnetic properties owing to their different shapes and different exposed high-indexed facets.