Study of the Effect of Quenching on Microstructural and Magnetic Properties of Cu-Doped Mg-Ferrite

Table 2

Saturation magnetization, coercivity, and remanence measured by VSM at room temperature for furnace-cooled and quenched Mg_1-xCu_xFe₂O₄ after sintering at 1200°C.

Copper content	Saturation magnetization, Ms (emu/g)		Coercivity, Hc (Oe)		Remanent magnetization, Mr (emu/g)		Mr/Ms
	Furnace-cooled	Quenched	Furnace-cooled	Quenched	Furnace-cooled	Quenched	Furnace-cooled	Quenched
x = 0.0	37.28	36.77	97.73	100.45	3.98	4.18	0.11	0.11
x = 0.1	30.22	38.11	106.59	94.43	4.57	2.61	0.15	0.07
x = 0.2	36.88	41.12	85.18	87.34	8.34	2.98	0.23	0.07
x = 0.3	36.41	46.82	83.52	83.38	2.96	2.64	0.08	0.06
x = 0.4	41.14	36.26	79.57	79.32	2.54	2.11	0.06	0.06
x = 0.5	43.23	46.37	78.77	76.31	2.39	2.47	0.06	0.05