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Influence of Ce4+ ions on the structural and magnetic properties of NiFe2O4
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10.1063/1.3603004
/content/aip/journal/jap/110/1/10.1063/1.3603004
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/1/10.1063/1.3603004

Figures

Image of FIG. 1.
FIG. 1.

(Color online) XRD patterns of Ni1-2xCexFe2O4.

Image of FIG. 2.
FIG. 2.

(Color online) Expanded view of (311) plane of Ni1-2xCexFe2O4.

Image of FIG. 3.
FIG. 3.

Variation of lattice constant and 2θ for (311) with Ce content x.

Image of FIG. 4.
FIG. 4.

The variation of the lattice parameter “a” as a function of F(θ).

Image of FIG. 5.
FIG. 5.

(Color online) Strain graphs of Ni1-2xCexFe2O4.

Image of FIG. 6.
FIG. 6.

Variations of bulk density (dB), and porosity (P) with Ce content x.

Image of FIG. 7.
FIG. 7.

SEM images of (a) x = 0.10 and (b) x = 0.15.

Image of FIG. 8.
FIG. 8.

(Color online) Magnetization curves of Ni1-2xCexFe2O4.

Image of FIG. 9.
FIG. 9.

Variation of magnetization and coercivity of Ni1-2xCexFe2O4.

Image of FIG. 10.
FIG. 10.

(Color online) Variation of hysteresis loop at lower applied fields of Ni1-2xCexFe2O4.

Image of FIG. 11.
FIG. 11.

(Color online) Plots of χTRT with temperature of Ni1-2xCexFe2O4.

Tables

Generic image for table
Table I.

X-ray density (dx), r.m.s. stain, crystallite size (t), grain size (D), and hopping length (LA and LB) of Ni1-2xCexFe2O4.

Generic image for table
Table II.

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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/content/aip/journal/jap/110/1/10.1063/1.3603004
2011-07-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of Ce4+ ions on the structural and magnetic properties of NiFe2O4
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/1/10.1063/1.3603004
10.1063/1.3603004
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