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Detecting giant electrocaloric effect in SrxBa1−xNb2O6 single crystals
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10.1063/1.4718350
/content/aip/journal/apl/100/19/10.1063/1.4718350
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/19/10.1063/1.4718350

Figures

Image of FIG. 1.
FIG. 1.

Dependence of polarization as a function of temperature is described by Eq. (1).

Image of FIG. 2.
FIG. 2.

Polarization variation induced by temperature change under an electric field of 3.50 kV cm−1 was applied parallel to the c-axis of SBN single crystals thin film. The dashed lines are modeled results by Eq. (1) and symbols represent experimental data from Ref. 26.

Image of FIG. 3.
FIG. 3.

Absolute values of electrocaloric entropy changes versus temperature due to applied electric field shift ΔE = 3.50 kV cm−1 for SBN single crystals thin film. They are obtained by Eq. (2) at different electric field shifts.

Image of FIG. 4.
FIG. 4.

Heat capacity changes for SBN single crystals thin film due to applied electric field shift ΔE = 3.50 kV cm−1 versus temperature. They are obtained by Eq. (7) at different electric field shifts.

Image of FIG. 5.
FIG. 5.

Electrocaloric temperature changes ΔT due to applied electric field shift ΔE = 3.50 kV cm−1 versus temperature for SBN single crystals thin film. They are obtained by Eq. (8) at different electric field shifts.

Tables

Generic image for table
Table I.

Model parameters for SBN single crystals under applied electric field shift of 3.50 kV cm−1 parallel to c-axis.

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/content/aip/journal/apl/100/19/10.1063/1.4718350
2012-05-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Detecting giant electrocaloric effect in SrxBa1−xNb2O6 single crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/19/10.1063/1.4718350
10.1063/1.4718350
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