Figure 4
Occupied 4(b) sites (Zr4 tetrahedra, grey) in Zr2NiD4.5. Zr: dark-grey spheres; Ni: light-grey spheres. Four unit cells are outlined. Some empty 4(b) tetrahedra are outlined (black lines) to elucidate the chains of edge-sharing 4(b) in the [01] direction. |