Electrocaloric Effect in Antiferroelectric Lead Zirconate Thin Films Negative electrocaloric effects in PbZrO<sub>3</sub> films prepared by chemical solution deposition

Maiwa, Hiroshi; Tsutsui, N

doi:10.1109/isaf43169.2019.9034946

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“…This aspect is similar to the negative electrocaloric effect. 27,29,30) In fact, the temperature decrease due to the spreading deformation is considered to correspond to the temperature decrease due to the application of the electric field shown in Fig. 5.…”

Section: Discussionmentioning

confidence: 99%

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Maiwa

2021

Jpn. J. Appl. Phys.

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We directly measured the temperature changes accompanying deformation of poled piezoelectric ceramics attached to metal for applications to new solid-state cooling devices. Due to the use of supporting metal, the fracture of the piezoelectric ceramics was suppressed, and the elastocaloric effect could be measured. A temperature increase of 0.02 K was observed due to dent deformation of the piezoelectric body with 0.07% distortion of the supporting metal, and a temperature drop of 0.03 K due to spread deformation of the piezoelectric body with 0.15% distortion of the supporting metal. The measurement results of the change in electrical properties during deformation suggested that entropy increased and temperature decreased by applying stress in the direction that disturbed the polarization alignment.

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Section: Discussionmentioning

confidence: 99%

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Maiwa

2021

Jpn. J. Appl. Phys.

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Antiferroelectric oxide thin-films: Fundamentals, properties, and applications

Si,

Zhang,

Liu

et al. 2024

Progress in Materials Science

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Electrocaloric Effect in Antiferroelectric Lead Zirconate Thin Films Negative electrocaloric effects in PbZrO₃ films prepared by chemical solution deposition

Cited by 2 publications

References 14 publications

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Antiferroelectric oxide thin-films: Fundamentals, properties, and applications

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Electrocaloric Effect in Antiferroelectric Lead Zirconate Thin Films Negative electrocaloric effects in PbZrO3 films prepared by chemical solution deposition

Cited by 2 publications

References 14 publications

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Direct measurement of temperature change due to elastocaloric effect in poled piezoelectric ceramics attached to metal

Antiferroelectric oxide thin-films: Fundamentals, properties, and applications

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Product

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Electrocaloric Effect in Antiferroelectric Lead Zirconate Thin Films Negative electrocaloric effects in PbZrO₃ films prepared by chemical solution deposition