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Experimental and theoretical evidence of enhanced ferromagnetism in sonochemical synthesized nanoparticles
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10.1063/1.3525573
/content/aip/journal/apl/97/24/10.1063/1.3525573
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/24/10.1063/1.3525573
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Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of (i) p-BFO nanoparticles, (ii) u-BFO nanoparticles, and (iii) u-BFO nanoparticles annealed in oxygen atmosphere at for 2 h.

Image of FIG. 2.
FIG. 2.

(a) curves for (i) BFO nanoparticles, (ii) u-BFO nanoparticles, and (iii) u-BFO nanoparticles annealed in oxygen atmosphere at for 2 h. (b) Temperature dependence of the magnetization for p-BFO and u-BFO nanoparticles, showing ZFC and FC curves, with an applied magnetic field set at 200 Oe.

Image of FIG. 3.
FIG. 3.

XPS spectra (measured spectra: open circles, fitted spectra: thick solid lines) of O core level recorded from the samples (a) p-BFO nanoparticles and (b) u-BFO nanoparticles. Inset shows the measured XPS spectra of Fe lines for the samples (a) p-BFO nanoparticles and (b) u-BFO nanoparticles.

Image of FIG. 4.
FIG. 4.

(a) The illustration of the development of net magnetic moment in a canted antiferromagnetic system. and represents local magnetic moment of two Fe sublattices. (b) The illustration of enhanced net magnetic moment in the oxygen-deficient system.

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/content/aip/journal/apl/97/24/10.1063/1.3525573
2010-12-13
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental and theoretical evidence of enhanced ferromagnetism in sonochemical synthesized BiFeO3 nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/24/10.1063/1.3525573
10.1063/1.3525573
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