Investigation of the Magnetic Properties of Ferrites in the CoO-NiO-ZnO Using Simplex-Lattice Design
Table 2
Characteristics of Co-Zn-Ni ferrites.
№
Composition
Hc
Мs
НR (mT)
I (a.u)
ΔHpp (mT)
a (A)
1.
CoFe2O4
1124
105.41
547
2700
398.7
8.35160
2.
Co0.667Ni0.333Fe2O4
955
48.76
530
2242
383.65
8.34111
3.
Co0.3337Ni0.667Fe2O4
503
27.80
445
3325
384
8.34016
4.
NiFe2O4
2
26.05
364
2429
141.5
8.32012
5.
Ni0.667Zn0.333Fe2O4
7
19.00
359
3824
63
8.37950
6.
Ni0.333Zn0.667Fe2O4
9
7.70
345
3693
29.71
8.42310
7.
ZnFe2O4
19
3.93
342
3008
21.83
8.36890
8.
Co0.333Zn0.667Fe2O4
1
37.26
382
2538
156
8.37950
9.
Co0.667Zn0.333Fe2O4
70
74.94
501
1121
366
8.34870
10.
Co0.333Zn0.333Ni0.333Fe2O4
37
5.37
358
3189
122
8.38530
Hc is the coercive field; Ms is the saturation magnetization; HR is the resonance field of the EPR spectrum, mT; ΔHp is the line width between the points of maximum slope on the EPR spectrum, mT; I is the intensity of the EPR line of the spectrum, a.u; a is the lattice parameter, A.