Giant Room-Temperature Elastocaloric Effect in Ferroelectric Ultrathin Films

Yang Liu, Ingrid C. Infante, Xiaojie Lou*, Laurent Bellaiche, James F. Scott, Brahim Dkhil

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

70 Citations (Scopus)

Abstract

Environmentally friendly ultrathin BaTiO3 capacitors can exhibit a giant stress-induced elastocaloric effect without hysteresis loss or Joule heating. By combining this novel elastocaloric effect with the intrinsic electrocaloric effect, an ideal refrigeration cycle with high performance (temperature change over 10 K with a wide working-temperature window of 60 K) at room temperature is proposed for future cooling applications.

Original languageEnglish
Pages (from-to)6132-6137
Number of pages7
JournalAdvanced Materials
Volume26
Issue number35
DOIs
Publication statusPublished - 17 Sept 2014

Keywords

  • PHASE-TRANSITIONS
  • THERMAL-EXPANSION
  • BATIO3

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