(Color online) XRD patterns of Ni1-2xCexFe2O4.
(Color online) Expanded view of (311) plane of Ni1-2xCexFe2O4.
Variation of lattice constant and 2θ for (311) with Ce content x.
The variation of the lattice parameter “a” as a function of F(θ).
(Color online) Strain graphs of Ni1-2xCexFe2O4.
Variations of bulk density (dB), and porosity (P) with Ce content x.
SEM images of (a) x = 0.10 and (b) x = 0.15.
(Color online) Magnetization curves of Ni1-2xCexFe2O4.
Variation of magnetization and coercivity of Ni1-2xCexFe2O4.
(Color online) Variation of hysteresis loop at lower applied fields of Ni1-2xCexFe2O4.
(Color online) Plots of χT/χRT with temperature of Ni1-2xCexFe2O4.
X-ray density (dx), r.m.s. stain, crystallite size (t), grain size (D), and hopping length (LA and LB) of Ni1-2xCexFe2O4.
Remanence magnetization (Mr), remanence ratio (R), calculated and observed magneton number (nB), calculated and measured anisotropy constant (K), Curie temperature (Tc) by ac susceptibility (ACS) and by Laoria technique (Laoria) of Ni1-2xCexFe 2 O4.
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