Kinetic electrocaloric effect and giant net cooling of lead-free ferroelectric refrigerants

Yang Bai; Guangping Zheng; San-Qiang Shi

doi:10.1063/1.3511342

Kinetic electrocaloric effect and giant net cooling of lead-free ferroelectric refrigerants

Yang Bai, Guangping Zheng, San-Qiang Shi

Research output: Journal article publication › Journal article › Academic research › peer-review

43 Citations (Scopus)

Abstract

The electrocaloric effect of BaTiO3multilayer thick film structure was investigated by direct measurement using differential scanning calorimeter. The samples show a giant electrocaloric effect of 0.89 J/g under E=176 kV/cm, which also depends on the varying rate of applied field, following a general power-law relation. Based on the large net-cooling (0.37 J/g) resulting from the difference in the varying rates of rising and falling fields, the kinetic electrocaloric effect provides a solution for the design of refrigeration cycle in ferroelectric microrefrigerator.

Original language	English
Article number	104102
Journal	Journal of Applied Physics
Volume	108
Issue number	10
DOIs	https://doi.org/10.1063/1.3511342
Publication status	Published - 15 Nov 2010

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.3511342

http://hdl.handle.net/10397/4983

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abstract = "The electrocaloric effect of BaTiO3multilayer thick film structure was investigated by direct measurement using differential scanning calorimeter. The samples show a giant electrocaloric effect of 0.89 J/g under E=176 kV/cm, which also depends on the varying rate of applied field, following a general power-law relation. Based on the large net-cooling (0.37 J/g) resulting from the difference in the varying rates of rising and falling fields, the kinetic electrocaloric effect provides a solution for the design of refrigeration cycle in ferroelectric microrefrigerator.",

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AB - The electrocaloric effect of BaTiO3multilayer thick film structure was investigated by direct measurement using differential scanning calorimeter. The samples show a giant electrocaloric effect of 0.89 J/g under E=176 kV/cm, which also depends on the varying rate of applied field, following a general power-law relation. Based on the large net-cooling (0.37 J/g) resulting from the difference in the varying rates of rising and falling fields, the kinetic electrocaloric effect provides a solution for the design of refrigeration cycle in ferroelectric microrefrigerator.

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Kinetic electrocaloric effect and giant net cooling of lead-free ferroelectric refrigerants

Abstract

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