Effects of Additives and Sintering Time on the Microstructure of Ni-Zn Ferrite and Its Electrical and Magnetic Properties

Table 1

Structural, electrical, and magnetic characteristics of the two types of samples at different sintering times.

Sintering time (min)	Average grain size (m)	(Gauss)	(Gauss)	(Oe), (- curve)	Density (g/cm^3)	Resistivity (Ω⋅cm)	(emu/g)	(Oe), (- curve)
0		—	—	—	4.61	—	—	—
15	0.461	883.2	421.3	3.43	5.25	9.7 × 10^10	52.29	21.43
45	0.642	999.4	447.9	3.94	5.36	8.4 × 10^10	56.30	31
135	0.733	1023	503.5	6.19	5.39	6.2 × 10^10	58.29	33.23
270	0.806	1052	542.8	4.21	5.46	9.1 × 10^9	59.11	32.9
CS-0	—	—	—	—	4.01	—	—	—
CS15	0.350	396.3	135.5	7.53	4.11	8.7 × 10^11	51.66	27.67
CS-45	0.519	421	149.5	8.96	4.32	6.5 × 10^11	53.63	31.44
CS-135	0.641	630.3	279.6	9.06	4.87	2.9 × 10^11	57.76	32.02
CS-270	0.696	597.5	365.3	17.61	5.28	1.1 × 10^11	54.90	33.63