Synthesis of Ternary Fe₃O₄/ZnO/Chitosan Magnetic Nanoparticles via an Ultrasound-Assisted Coprecipitation Process for Antibacterial Applications

Table 1

Effects of CS content upon crystallite size and lattice parameters of PEG-Fe₃O₄/ZnO/CS magnetic nanoparticles.

Samples		ZnO	PEG-Fe3O4	Fe3O4/ZnO/CS
				5%	10%	20%	30%
Crystallite size^a (nm)	ZnO	20.7465	—	27.9867	27.9894	28.3849	27.6781
	Fe3O4	—	20.9798	20.9408	20.7469	18.386	21.0030
Lattice parameter^b (Å)	ZnO		—
	Fe3O4	—

^aObtained from Debye-Scherrer equation (1). ^bObtained from (2), (3), and (4).