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Geng W, Liu Y, Meng X, et al. Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature. Adv Mater. 2015;27(20):3165-9doi: 10.1002/adma.201501100.
Geng, W., Liu, Y., Meng, X., Bellaiche, L., Scott, J. F., Dkhil, B., & Jiang, A. (2015). Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature. Advanced materials (Deerfield Beach, Fla.), 27(20), 3165-9. https://doi.org/10.1002/adma.201501100
Geng, Wenping, et al. "Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature." Advanced materials (Deerfield Beach, Fla.) vol. 27,20 (2015): 3165-9. doi: https://doi.org/10.1002/adma.201501100
Geng W, Liu Y, Meng X, Bellaiche L, Scott JF, Dkhil B, Jiang A. Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature. Adv Mater. 2015 May 27;27(20):3165-9. doi: 10.1002/adma.201501100. Epub 2015 Apr 11. PMID: 25864588.
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Adv Mater. 2015 May 27;27(20):3165-9. doi: 10.1002/adma.201501100. Epub 2015 Apr 11.

Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature.

Advanced materials (Deerfield Beach, Fla.)

Wenping Geng, Yang Liu, Xiangjian Meng, Laurent Bellaiche, James F Scott, Brahim Dkhil, Anquan Jiang

Affiliations

  1. State Key Laboratory of ASIC and System, School of Microelectronics, Fudan University, Shanghai, 200433, PR China.
  2. Laboratoire Structures, Propriétés et Modélisation des Solides, Université Paris-Saclay, CentraleSupélec, CNRS-UMR8580, Grande Voie des Vignes, Châtenay-Malabry, Cedex, 92295, France.
  3. National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Yu Tian Road 500, Shanghai, 200083, PR China.
  4. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, PR China.
  5. Physics Department and Institute for Nanoscience and Engineering, University of Arkansas, Fayetteville, AR, 72701, USA.
  6. Department of Physics Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK.
  7. Departments of Chemistry and Physics, St. Andrews University, St. Andrews, KY16 9ST, UK.

PMID: 25864588 DOI: 10.1002/adma.201501100

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.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: antiferroelectric thin films; negative electrocaloric effect; solid-state cooling

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