Energy gap E_g (eV)

ʋ₅

ʋ₄

ʋ₃

ʋ₂

ʋ₁

Samples

No.

4.77

612

1146

1404

1649

3245

MgFe₂O₄

1

4.82

612

1146

1404

1649

3245

Mg_0.8Zn_0.2Fe₂O₄

2

4.86

663

1107

1404

1649

3450

Mg_0.6Zn_0.4Fe₂O₄

3

4.87

612

1140

1404

1644

3148

Mg_0.4Zn_0.6Fe₂O₄

4

4.95

613

1120

1404

1649

3419

Mg_0.2Zn_0.8Fe₂O₄

5