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Phase transitions and thermal expansion in pyroelectric energy conversion
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10.1063/1.4776668
/content/aip/journal/apl/102/2/10.1063/1.4776668
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4776668

Figures

Image of FIG. 1.
FIG. 1.

D-E loops for a typical pyroelectric material at temperatures and and the Olsen cycle performed under quasiequilibrium conditions. is represented by the gray area enclosed by 1-4.

Image of FIG. 2.
FIG. 2.

Isothermal bipolar D-E loops at T = 22, 90, and and experimental Olsen cycles at 0.0173 and 0.0211 Hz for PMN-28PT with , and .

Image of FIG. 3.
FIG. 3.

Measured electric displacement vs. time during the Olsen cycles at 0.0211 and 0.0173 Hz, respectively. Here, , and .

Image of FIG. 4.
FIG. 4.

Olsen cycles performed at 0.0173 and 0.0211 Hz in the E-T diagram and phase boundaries for [001]-poled PMN-28PT (Ref. 11 ). The phase boundary (dashed lines) was not always observed. The shaded region corresponds to electrically induced ferroelectric state with polarizations smaller than that of the T phase (Ref. 16 ).

Tables

Generic image for table
Table I.

[001] PMN-28PT properties reported in the literature used in Eq. (3) to predict .

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/content/aip/journal/apl/102/2/10.1063/1.4776668
2013-01-18
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase transitions and thermal expansion in pyroelectric energy conversion
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/2/10.1063/1.4776668
10.1063/1.4776668
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