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Keywords:

  • Nanostructures, core/shell;
  • Nanowires, inorganic;
  • Oxides, ternary;
  • Solid-state synthesis;
  • Spinels;
  • Twinning;
  • Zinc oxide
Thumbnail image of graphical abstract

Ternary twinned Zn2TiO4spinel nanowires are formed by a solid-state reaction between Ti and ZnO from an amorphous Ti-coated ZnO core/shell nanowire structure. The ZnO nanowires are used as templates to spatially confine the formation of Zn2TiO4 nanowires. TEM investigations (see figure) reveal the nature of both the ZnO/Ti core/shell structure and the <111>-oriented growth of the twinned spinel nanowires.