Synthesis of FeNi Alloy Nanomaterials by Proteic Sol-Gel Method: Crystallographic, Morphological, and Magnetic Properties

Table 2

Magnetic properties of alloy synthesized with 50 mL/min and treated at 600 and 700°C.

Mössbauer spectroscopy
	600°C - 50 mL/min (H2)
	Singlet	Sextet
Hyperfine field	—	31.49 T
Isomer shift	−0.120 mm/s	−0.078 mm/s
Quadrupole splitting	—	−0.007 mm/s
Area	2.0%	98.0%
Vibrating sample magnetometry
	600°C - 50 mL/min (H2)	700°C - 50 mL/min (H2)
Magnetization saturation	113.35 emu/g	141.33 emu/g
Remnant magnetization	21.03 emu/g	19.09 emu/g
Coercivity field	262.77 Oe	188.08 Oe