Cu(I) Modification during γ-Fe₂O₃ Nanoparticles Synthesis and Subsequent Characterization

Table 1

Atomic percentages of Fe, Cl, and Cu from energy dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS) measurements for samples (1), (2), and (3).

Sample	EDS				XPS
	Fe	Cl	Cu	Cu/Cl	Fe	Cl	Cu	Cu/Cl
(0)	97.28	2.72
(1)	95.19	4.04	0.77	0.19	63.06	32.64	4.30	0.13
(2)	94.73	3.93	1.34	0.34	56.24	38.58	5.18	0.13
(3)	60.99	19.03	19.98	1.05	35.18	51.13	13.69	0.27