Comparative Study of Structural, Electrical, and Magnetic Behaviour of Ni-Cu-Zn Nanoferrites Sintered by Microwave and Conventional Techniques

Table 2

Grain size, initial permeability, , and coercivity values of toroids.

Samples “”	Grain size (μm)		Initial permeability at 10 kHz		(Gauss)		Coercivity (Oersted)
	MW	Con	MW	Con	MW	Con	MW	Con
0.0	0.16	0.12	4.14	3.26	144	156	0.59	0.997
0.1	0.25	0.23	6.18	4.36	287	140	0.404	0.510
0.2	0.40	0.32	24.63	7.34	1131	382	5.670	7.250
0.3	0.47	0.45	31.54	9.78	1415	533	5.584	8.625
0.4	0.37	0.32	19.02	7.55	1076	403	7.152	7.863
0.5	0.44	0.42	24.61	8.54	1156	474	5.636	8.738