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Critical mechanical and electrical transition behavior of BaTiO3: The observation of mechanical double loop behavior
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10.1063/1.4767059
/content/aip/journal/jap/112/12/10.1063/1.4767059
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4767059

Figures

Image of FIG. 1.
FIG. 1.

Strain under unipolar electric cycling in BaTiO3 (a) below and (b) above the Curie point.

Image of FIG. 2.
FIG. 2.

Temperature dependence of strain maximum under unipolar cycling at 4 kV mm−1.

Image of FIG. 3.
FIG. 3.

Schematic graph for the determination of onset (Eo) and coercive (Ec) electric field (a) and the observed electrostriction coefficients Μ33 above TC (b).

Image of FIG. 4.
FIG. 4.

Temperature dependences of the onset and coercive electric fields.

Image of FIG. 5.
FIG. 5.

Strain-stress behavior of BaTiO3 as a function of temperature below (upper row) and above (lower row) the Curie point.

Image of FIG. 6.
FIG. 6.

Remanent strain as a function of temperature during compressive mechanical loading.

Image of FIG. 7.
FIG. 7.

Schematic graph for the determination of onset (σo) and coercive (σc) stress (a) and the characteristic stresses during compressive stress loading as a function of temperature (b).

Image of FIG. 8.
FIG. 8.

Characteristic stresses during compressive stress loading above the Curie point.

Image of FIG. 9.
FIG. 9.

(a) Landau free energy as a function of order parameter for different temperatures at E = 0; (b) the influence of an external field on the shape of the energy function above TC; (c) polarization-electric field relationship for TC < T < Tcritical (Refs. 33 and 50).

Tables

Generic image for table
Table I.

Comparison of ∂E 0 /∂T for field induced phase transitions.

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/content/aip/journal/jap/112/12/10.1063/1.4767059
2012-12-17
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Critical mechanical and electrical transition behavior of BaTiO3: The observation of mechanical double loop behavior
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/12/10.1063/1.4767059
10.1063/1.4767059
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