Table 1 Wyckoff sites (Wyck.), fractional lattice coordinates, isotropic thermal parameters (Biso), and occupancies (Occ.) for (Ti, Zr, Hf, Sn)O2 in the α-PbO2 structure determined by Rietveld refinement.
From: Phase stability of entropy stabilized oxides with the α-PbO2 structure
Wyck. | x | y | z | Biso | Occ. | |
|---|---|---|---|---|---|---|
Ti | 4c | 0 | 0.316(8) | 0.25 | 1.3(3) | 0.25 |
Zr | 4c | 0 | 0.316(8) | 0.25 | 1.3(3) | 0.25 |
Hf | 4c | 0 | 0.316(8) | 0.25 | 1.3(3) | 0.25 |
Sn | 4c | 0 | 0.316(8) | 0.25 | 1.3(3) | 0.25 |
O | 8d | 0.269(9) | 0.108(6) | 0.075(9) | 1.4(1) | 1 |