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Publication Detail
Electrocaloric effect in a ferroelectric Pb(Zn1/3Nb2/3)O-3-PbTiO3 single crystal
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Valant M, Dunne LJ, Axelsson AK, Alford NM, Manos G, Perantie J, Hagberg J, Jantunen H, Dabkowski A
  • Publisher:
    AMER PHYSICAL SOC
  • Publication date:
    14/06/2010
  • Journal:
    PHYS REV B
  • Volume:
    81
  • Issue:
    21
  • Article number:
    214110
  • Print ISSN:
    1098-0121
  • Language:
    EN
  • Keywords:
    TEMPERATURE, CERAMICS
  • Addresses:
    Valant, M
    Univ Nova Gorica
    Mat Res Lab
    Nova Gorica
    5000
    Slovenia

    Univ Oulu
    Phys Mat Lab
    Oulu
    90014
    Finland
Abstract
The electrocaloric effect in a 0.92Pb(Zn1/3Nb2/3)O-3-0.08PbTiO(3) 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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