Giant Electrocaloric Effect in Thin-Film PbZr 0.95 Ti 0.05 O 3
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- 3 March 2006
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 311 (5765), 1270-1271
- https://doi.org/10.1126/science.1123811
Abstract
An applied electric field can reversibly change the temperature of an electrocaloric material under adiabatic conditions, and the effect is strongest near phase transitions. We demonstrate a giant electrocaloric effect (0.48 kelvin per volt) in 350-nanometer PbZr 0.95 Ti 0.05 O 3 films near the ferroelectric Curie temperature of 222°C. A large electrocaloric effect may find application in electrical refrigeration.Keywords
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