Research Article

Investigation of the Magnetic Properties of Ferrites in the CoO-NiO-ZnO Using Simplex-Lattice Design

Table 2

Characteristics of Co-Zn-Ni ferrites.

CompositionHcМsНR (mT)I (a.u)ΔHpp (mT)a (A)

1.CoFe2O41124105.415472700398.78.35160
2.Co0.667Ni0.333Fe2O495548.765302242383.658.34111
3.Co0.3337Ni0.667Fe2O450327.8044533253848.34016
4.NiFe2O4226.053642429141.58.32012
5.Ni0.667Zn0.333Fe2O4719.003593824638.37950
6.Ni0.333Zn0.667Fe2O497.70345369329.718.42310
7.ZnFe2O4193.93342300821.838.36890
8.Co0.333Zn0.667Fe2O4137.2638225381568.37950
9.Co0.667Zn0.333Fe2O47074.9450111213668.34870
10.Co0.333Zn0.333Ni0.333Fe2O4375.3735831891228.38530

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.