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Absence of tetragonal distortion in (1−x)SrTiO3-xBi(Zn1/2Ti1/2)O3 solid solution
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10.1063/1.4804934
/content/aip/journal/jap/113/18/10.1063/1.4804934
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4804934
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Figures

Image of FIG. 1.
FIG. 1.

Powder XRD patterns of (1−x)ST-xBZT ceramics with x = 0.05, 0.10, 0.15, 0.20, 0.30, and 0.50 sintered at 1100 °C for 3 h. The inset shows the XRD patterns for x = 0.30 and 0.50. The Miller indices given on top of the reflections correspond to cubic perovskite structure while the peaks marked with asterisk correspond to impurity BiTiO phase.

Image of FIG. 2.
FIG. 2.

Observed (dots), calculated (continuous line), and difference (continuous bottom line) profiles for (1−x)ST-xBZT ceramics with x = 0.05, 0.10, 0.15, and 0.20 obtained after Rietveld analysis of the powder XRD data using cubic space group Pm3m. The vertical tick marks above the difference plot show the peak positions. The peaks marked with asterisk correspond to impurity BiTiO phase.

Image of FIG. 3.
FIG. 3.

SEM image of the sintered pellet surface for (a) 0.95ST-0.05BZT and (b) 0.70ST-0.30BZT ceramics. The smaller size grains in (b) correspond to the perovskite phase while the bigger grains with flaky appearance are due to the impurity BiTiO phase.

Image of FIG. 4.
FIG. 4.

Variation of lattice parameter with temperature for 0.90ST-0.10BZT ceramics.

Image of FIG. 5.
FIG. 5.

The frequency dependence of room temperature dielectric Permittivity and tanδ for (1−x)ST-xBZT ceramics with x = 0.05, 0.10, 0.15, and 0.20.

Image of FIG. 6.
FIG. 6.

P-E hysteresis loop for 0.80ST-0.20BZT ceramic.

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/content/aip/journal/jap/113/18/10.1063/1.4804934
2013-05-14
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Absence of tetragonal distortion in (1−x)SrTiO3-xBi(Zn1/2Ti1/2)O3 solid solution
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4804934
10.1063/1.4804934
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