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Dielectric relaxations and dielectric response in multiferroic ceramics
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10.1063/1.3078825
/content/aip/journal/apl/94/6/10.1063/1.3078825
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3078825
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of powder and sintered ceramics.

Image of FIG. 2.
FIG. 2.

SEM micrographs of sintered ceramics: (a) BFO-600 and (b) BFO-700 samples.

Image of FIG. 3.
FIG. 3.

Frequency dependence of of BFO-700 at different temperatures; the solid curves are the best fit to Eq. (1). Insets (a) and (b) show dielectric spectrum of BFO-600 and Arrhenius plots of the relaxation times for the LTDR and MTDR, respectively.

Image of FIG. 4.
FIG. 4.

Frequency dependence of of BFO-700 sample at various temperature ranges of the relaxations: (a) LTDR, (b) MTDR, and (c) HTDR; [(b) and (c)] are the enlarged parts of dashed rectangle areas in (a) and (b), respectively. The first relaxation peak of of (a), (b), and (c) are measured at temperatures −50, 30, and , respectively, and each step increase in measured temperature is . The inset of (c) shows three peak frequencies as a function of temperature for LTDR, MTDR, and HTDR.

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/content/aip/journal/apl/94/6/10.1063/1.3078825
2009-02-12
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dielectric relaxations and dielectric response in multiferroic BiFeO3 ceramics
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/6/10.1063/1.3078825
10.1063/1.3078825
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