Preparation of N-Doped Composite Shell Encapsulated Iron Nanoparticles and Their Magnetic, Adsorptive, and Photocatalytic Properties

Table 1

Fe contents, shell structures, and magnetic properties of the products and .

Sample	Fe content (wt.%)	Av. particle size (nm)	Shell structure	Ms (emu/g)	Hc (Oe)	Mr/Ms	Reference
	85.6	20.8	Composite shell	130	194	0.062	This work
	82.6	20.6	3–7 layers of graphite	89	240	0.124	[39]