Table 3 Number and calculated magnetic moment of cations at the tetrahedral (T) and octahedral (O) sites in a spinel crystal containing eight CoFe2O4 formula and having different degree of inversion

From: Machine learning enabled accurate prediction of structural and magnetic properties of cobalt ferrite

Degree of inversion

Number of ions

Magnetic moment (μB /ion)

Total magnetic moment (μB /f.u.)

T site Co

O site Co

T site Fe

O site Fe

T site Co

O site Co

T site Fe

O site Fe

0.00

8

0

0

16

−2.568

4.243

6.867

0.25

6

2

2

14

−2.565

2.680

−4.075

4.228

5.894

0.50

4

4

4

12

−2.575

2.673

−4.072

4.212

4.921

0.75

2

6

6

10

−2.574

2.649

−4.071

4.195

3.949

1.00

0

8

8

8

2.633

−4.076

4.182

2.974