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Effective incorporation of nanoceria into polycrystalline
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View: Figures


Image of FIG. 1.
FIG. 1.

XRD patterns for pure and nano- added . Peaks of are marked with sign and that of MgO phase are marked with sign.

Image of FIG. 2.
FIG. 2.

(a) Variation in the lattice parameters and with addition level. (b) SEM image for the nanoparticles used in this study (the scale bar is 20 nm). (c) Field cooled and ZFC magnetization as a function of temperature (the applied field was 2 mT). Data are for pure and nano- added polycrystalline.

Image of FIG. 3.
FIG. 3.

Representative AFM scans for pure [(a) and (b)] and nano- added (2 wt %) [(c) and (d)] polycrystalline samples in large and small scan areas.

Image of FIG. 4.
FIG. 4.

Magnetization curves at for pure and nano- added samples (a) Magnetic field dependence of the critical current density at for pure and nano- added samples using (b) normal scale and (c) semilog scale.

Image of FIG. 5.
FIG. 5.

Variations in the pinning force density with applied magnetic field (a) and the reduced pinning force with the reduced field at 20 K for all samples.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effective incorporation of nanoceria into polycrystalline MgB2