The Structural and Magnetic Properties of Gadolinium Doped CoFe₂O₄ Nanoferrites

Table 2

Mössbauer parameters of isomer shift (IS), quadrupole splitting (QS), magnetic hyperfine field (), linewidth (Γ), and absorption area () for (, 0.04, 0.08) ferrites annealed at 800°C.

Sample ()	Component	IS (mm/s)	QS (mm/s)	(T)	Γ (mm/s)	(mm/s)
0	Sextet (A)	0.237	−0.004	48.946	0.360	32.4
	Sextet (B)	0.375	−0.024	45.695	0.322	67.6
0.04	Sextet (A)	0.256	−0.006	49.105	0.462	38.3
	Sextet (B)	0.298	−0.111	42.123	0.214	61.3
0.08	Sextet (A)	0.223	0.037	48.964	0.304	14.3
	Sextet (B)	0.334	−0.049	45.482	0.361	85.7