Giant electrocaloric effect in the thin film relaxor ferroelectric 0.9 Pb Mg1/3Nb2/3O3-0.1 PbTiO3 near room temperature

  • A. S. Mischenko
  • , Q. Zhang
  • , R. W. Whatmore
  • , J. F. Scott
  • , N. D. Mathur

Research output: Other outputpeer-review

Abstract

The authors have recently observed a giant electrocaloric effect (12 K in 25 V) in 350 nm sol-gel Pb Zr0.95 Ti0.05 O3 films near the ferroelectric Curie temperature of 242 °C. Here the authors demonstrate a giant electrocaloric effect (5 K in 25 V) in 260 nm sol-gel films of the relaxor ferroelectric 0.9 Pb Mg13 Nb23 O3 -0.1 PbTi O3 near the Curie temperature of 60 °C. This reduction in operating temperature widens the potential for applications in cooling systems.

Original languageEnglish
Edition24
Volume89
DOIs
Publication statusPublished - 2006

Publication series

NameApplied Physics Letters
PublisherAmerican Institute of Physics
ISSN (Print)0003-6951

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