University of Oulu

Valant, M., Dunne, L., Axelsson, A., Alford, N., Manos, G., Peräntie, J., Hagberg, J., Jantunen, H., Dabkowski, A. (2010) Electrocaloric effect in a ferroelectricPb(Zn1/3Nb2/3)O3-PbTiO3single crystal. Physical review B: Condensed matter and materials physics, 81 (21), doi:10.1103/PhysRevB.81.214110

Electrocaloric effect in a ferroelectric Pb(Zn₁/₃Nb₂/₃)O₃-PbTiO₃ single crystal

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Author: Valant, Matjaz1; Dunne, Lawrence J.2,3; Axelsson, Anna-Karin3;
Organizations: 1Materials Research Laboratory, University of Nova Gorica, Nova Gorica 5000, Slovenia
2Department of Engineering Systems, London South Bank University, London SE1 OAA, United Kingdom
3Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
4Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
5Microelectronics and Materials Physics Laboratories, University of Oulu, Oulu 90014, Finland
6Brockhouse Institute for Materials Research, McMaster University, Hamilton, Ontario, Canada L8S 4M1
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 0.2 MB)
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Language: English
Published: American Institute of Physics, 2010
Publish Date: 2017-08-21


The electrocaloric effect in a 0.92Pb(Zn₁/₃Nb₂/₃)O₃-00.8PbTiO₃ single crystal was measured by a direct calorimetric technique as a function of sample temperature and electric field. The temperature of the maximum electrocaloric effect was found to coincide with the ferroelectric transition temperature. We present a theoretical description based on mean-field theory that gives a satisfactory description of the temperature and electric field dependence of the experimentally observed electrocaloric effect.

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Series: Physical review. B, Condensed matter and materials physics
ISSN: 1098-0121
ISSN-E: 1550-235X
ISSN-L: 1098-0121
Issue: 81
Article number: 214110
DOI: 10.1103/PhysRevB.81.214110
Type of Publication: A1 Journal article – refereed
Field of Science: 114 Physical sciences
216 Materials engineering
Copyright information: © 2010 The American Physical Society. Published in this repository with the kind permission of the publisher.