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Multiple dielectric transitions in the PbTiO3-Bi(Zn1/2Ti1/2)O3-Bi(Mg1/2Ti1/2)O3 system
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10.1063/1.3646559
/content/aip/journal/jap/110/7/10.1063/1.3646559
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/7/10.1063/1.3646559
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic phase diagram for the PT-BZT-BMT system. Compositions investigated along the (1−x)[90/10]−(x)BMT and (1−x)[75/25]−(x)BMT pseudo-binary lines are denoted by filled circles. The dashed line represents the approximate position of the morphotropic-type phase boundary. The light gray region denotes the region where multiple dielectric transitions (MDT) were observed.

Image of FIG. 2.
FIG. 2.

Lattice parameters as a function of BMT substitution for the (1−x)[90/10]−(x)BMT and (1−x)[75/25]−(x)BMT solid solutions. Data from PT-BMT are also included.16 Convergence of the lattice parameters indicates the approximate position of MPB-type phase boundary.

Image of FIG. 3.
FIG. 3.

Dielectric response (f = 100 kHz) for compositions in the (1−x)[90/10]−(x)BMT solid solution. Arrows indicate the direction of thermal ramp.

Image of FIG. 4.
FIG. 4.

Dielectric response (f = 100 kHz) for compositions in the (1−x)[75/25]−(x)BMT solid solution. Arrows indicate the direction of thermal ramp.

Image of FIG. 5.
FIG. 5.

c/a ratio and dielectric transition temperatures as a function of composition in the (1−x)[75/25]−(x)BMT solid solution.

Image of FIG. 6.
FIG. 6.

Lattice parameters as a function of temperature for the (0.5)[90/10]-(0.5)BMT composition. Vertical dashed lines represent the dielectric transition temperatures.

Image of FIG. 7.
FIG. 7.

Lattice parameters as a function of temperature for the (0.75)[75/25]−(0.25)BMT composition. Insets plot the evolution of the {200} family of peaks at representative temperatures.

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/content/aip/journal/jap/110/7/10.1063/1.3646559
2011-10-11
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multiple dielectric transitions in the PbTiO3-Bi(Zn1/2Ti1/2)O3-Bi(Mg1/2Ti1/2)O3 system
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/7/10.1063/1.3646559
10.1063/1.3646559
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