Giant negative electrocaloric effect in antiferroelectric La-doped Pb(ZrTi)O thin films near room temperature

W. Geng, Y. Liu, X. Meng, L. Bellaiche, J.F. Scott, B. Dkhil, A. Jiang

Research output: Contribution to journalArticlepeer-review

175 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)3165–3169
JournalAdvanced Materials
Volume27
Issue number20
DOIs
Publication statusPublished - 27 May 2015

Keywords

  • Antiferroelectric thin films
  • Negative electrocaloric effect
  • Solid-state cooling

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