Table 1
Comparison of magnetic properties of the as-synthesized cobalt ferrites and the reported CoFe2O4 measured at room temperature
Reference	Particle size (nm)	Hc (Oe)	Ms (emu/g)
This work	5.5	11	50
[9]	14.6	243	37
[10]	20–30	519	About 55
[21]	15.7	250	About 50
[24]	8	39	36
	3	0	4.2
[12]	2–6	0	About 40
[25]	40	0	40
[13]	9	0	30
[26]	30	Negligible	30
[27]	4–10	0	18
[28]	6	0	9

The saturation magnetizations are compared at an applied magnetic field of 12,000 Oe

Li et al. Nanoscale Research Letters 2010 5:1039   doi:10.1186/1556-276X-5-1039