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Dielectric relaxation mechanism of single crystal and polycrystal bismuth germanate
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10.1063/1.2763946
/content/aip/journal/jap/102/3/10.1063/1.2763946
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/3/10.1063/1.2763946
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of calcined particles (a) and sintered grains (b) of ceramics.

Image of FIG. 2.
FIG. 2.

Complex impedance diagrams of: (a) single crystal at , and , and (b) ceramic at . The numbers indicate the log of the signal frequency.

Image of FIG. 3.
FIG. 3.

Electric conductivity as a function of the reciprocal temperature. (a) single crystal, (b) ceramics. The experimental data fits the Arrhenius function.

Image of FIG. 4.
FIG. 4.

Real and imaginary parts of complex permittivity of single crystal: (a) as a function of the temperature; (b) bode plots of and at several temperatures.

Image of FIG. 5.
FIG. 5.

Log-log plot of the real and imaginary parts of permittivity as a function of frequency at several temperatures. (a) Single crystals, (b) ceramics.

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/content/aip/journal/jap/102/3/10.1063/1.2763946
2007-08-08
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dielectric relaxation mechanism of single crystal and polycrystal bismuth germanate
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/3/10.1063/1.2763946
10.1063/1.2763946
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