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Polar fluctuations in Mn substituted ceramics
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10.1063/1.3481857
/content/aip/journal/jap/108/6/10.1063/1.3481857
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/6/10.1063/1.3481857

Figures

Image of FIG. 1.
FIG. 1.

Dielectric permittivity over temperature for 0%–5% Mn substituted , in frequency range from 100 Hz to 1 MHz.

Image of FIG. 2.
FIG. 2.

Example of deviation from the Curie–Weiss law for 2% Mn substituted at 100 kHz.

Image of FIG. 3.
FIG. 3.

Influence of Mn substitution in on (a) dielectric constant temperature peak , and the frequency dispersion of and (b) the diffuseness or broadening of the permittivity peak and the -value of diffuseness.

Image of FIG. 4.
FIG. 4.

(a) Temperature dependence of at various frequencies, (b) compared with , (c) the frequency dependence of real and imaginary part of the dielectric permittivity, and (d) the corresponding Cole–Cole plots for with .

Image of FIG. 5.
FIG. 5.

Different dielectric relaxation in Mn substituted (a) shows the appearance of a shoulder at the high temperature side for the 5% Mn at 1–100 KHz and (b) the broadening of the loss deconvoluted to three distinct peaks from Ref. 8 .

Tables

Generic image for table
Table I.

Dielectric response parameters of ceramics .

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/content/aip/journal/jap/108/6/10.1063/1.3481857
2010-09-21
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polar fluctuations in Mn substituted KTaO3 ceramics
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/6/10.1063/1.3481857
10.1063/1.3481857
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