Low-frequency polarization relaxation in PMN + 2% Li2O ferroelectric ceramics in the region of diffuse phase transition

  • A. I. Burkhanov
  • I. E. Tumanov
  • K. Bormanis
  • A. Kalvane
Proceedings of the VII (XII) International Seminar on Ferroelastic Physics
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Abstract

Studies of dielectric nonlinearity in lead magnoniobate ceramics doped with lithium show that at a certain value of external field amplitude E, two peaks appear on the temperature dependences of effective dielectric permittivity ɛeff′(T). They are caused by the dynamics of the polar regions in the vicinity of diffuse phase transition and by variation in their volume under the action of field E.

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Copyright information

© Allerton Press, Inc. 2013

Authors and Affiliations

  • A. I. Burkhanov
    • 1
  • I. E. Tumanov
    • 1
  • K. Bormanis
    • 2
  • A. Kalvane
    • 2
  1. 1.Volgograd State University of Architectural and Civil EngineeringVolgogradRussia
  2. 2.Institute of Solid State PhysicsUniversity of LatviaRigaLatvia

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