Table 2.

Magnetic hysteresis parameters at room temperature for all six types of MagNPs.

Sample	Ms (emu/g)	Hc (kA/m)	Mr (emu/g)	Mr/Ms	Keff (kJ/m3)
MagNP1	63	12.42	13.1	0.21	5.3
MagNP2	69	13.58	19.2	0.28	6.3
MagNP3	80	15.72	26.5	0.33	8.5
MagNP4	83	16.31	23.2	0.28	9.2
MagNP5	76	16.92	25.9	0.34	8.7
MagNP6	73	14.75	17.2	0.24	7.3