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Giant negative electrocaloric effect in antiferroelectric LaDoped Pb(ZrTi)O3 thin films near room temperature

Wenping Geng 1 Liu Yang 2 Meng Xiangjian 3 Laurent Bellaiche 4 James F. Scott 5 Brahim Dkhil 2 Anquan Jiang 1
1 School of Microelectronics, Fudan University
2 SPMS - Laboratoire Structures, Propriétés et Modélisation des solides
3 UCAS - Graduate University of Chinese [Beijing]
4 Institute for nanosciences and engineering and physics departement
5 Department of Physics, Cavendish Laboratory
Abstract : Antiferroelectric thin films are demonstrated as a new class of giant electrocaloric materials that exhibit a negative electrocaloric response of about −5 K near room temperature. The giant negative electrocaloric effect may open up a new paradigm for light, compact, reliable, and high-efficiency refrigeration devices.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01263032
Contributor : Christine Vinée-Jacquin <>
Submitted on : Wednesday, January 27, 2016 - 12:52:19 PM
Last modification on : Wednesday, July 1, 2020 - 4:22:03 PM

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CNRS | INC-CNRS | SPMS | CENTRALESUPELEC | SPMS-AXE2

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Wenping Geng, Liu Yang, Meng Xiangjian, Laurent Bellaiche, James F. Scott, et al.. Giant negative electrocaloric effect in antiferroelectric LaDoped Pb(ZrTi)O3 thin films near room temperature. Advanced Materials, Wiley-VCH Verlag, 2015, ⟨10.1002/adma.201501100⟩. ⟨hal-01263032⟩

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