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Study of weak ferromagnetism in polycrystalline multiferroic Eu doped bismuth ferrite
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) XRD pattern along with Rietveld refinement. The inset shows background subtracted differential scanning calorimetry measurement showing of the Eu15 sample. (b) Raman spectrum of BFO and Eu15 samples. Significant change in the intensity of modes indicates that Eu is going to Bi site and the increase in the area under curve at higher wave numbers might be due to conversion of modes into modes suggesting structural transition to the space group.

Image of FIG. 2.
FIG. 2.

Room temperature data of the Eu15 sample. Inset shows the variation in dielectric constant as a function of temperature measured at 54.5 kHz. Note the anomaly at indicating the magnetoelectric coupling.

Image of FIG. 3.
FIG. 3.

Mossbauer spectra of Eu15 sample at the (a) 713 K, (b) 300 K, (c) 10 K, and (d) 10 K and 5 T field applied parallel to the -ray beam. The enhanced second and fifth lines in (d) are indicative of canted spin order induced by DM coupling.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Study of weak ferromagnetism in polycrystalline multiferroic Eu doped bismuth ferrite