TABLE 1.

Calculated Hubbard parameters of each atom in eV. The values on the right in each cell of U represent the calculated Hubbard parameter when DFPT is applied to the ground state of the value on the left.

Iteration	U Ni	U Fe	U W
NiWO 4
1	6.0 | 6.5951	—	3.4 | 3.4487
2	6.6 | 6.5727	—	3.4 | 3.4571
2, q = 1 × 2 × 2	6.6 | 6.6125	—	3.4 | 3.4668
2, q = 2 × 4 × 4	6.6 | 6.6143	—	3.4 | 3.4669
Fe 0.5 Ni 0.5 WO 4
1	6.9 | 6.3946	6.9 | 6.3772	3.5 | 3.4960
2	6.4 | 6.4320	6.4 | 6.4338	3.5 | 3.4718
2, q = 1 × 2 × 2	6.4 | 6.4731	6.4 | 6.5612	3.5 | 3.4865
2, q = 2 × 4 × 4	6.4 | 6.4740	6.4 | 6.5763	3.5 | 3.4875
3, q = 2 × 4 × 4	6.5 | 6.4651	6.6| 6.5522	3.5 | 3.4858