The European Physical Journal Special Topics

, Volume 154, Issue 1, pp 195–200 | Cite as

The model of the hysteresis for materials in which depending on composition the transition from relaxor to ferroelectric properties take place

  • R. Skulski
  • P. Wawrzała


We study the question about the continuous transition from relaxor to normal ferroelectric state, depending on the composition and the influence of external electric field. In this paper we present the main assumptions of the model of dielectric hysteresis for such materials. The model is based on the elements of classical thermodynamic theory, mainly on the assumption that the density of free energy g can be developed into terms with respect to polarization. However unlike LGD theory we assume that all parameters of development are dependent on the temperature. The average spontaneus polarization is obtained as a result of integrating dipole moments which probabilities are different.


Dipole Moment Hysteresis Loop EUROPEAN Physical Journal Special Topic Ferroelectric Property Domain Switching 
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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  • R. Skulski
    • 1
  • P. Wawrzała
    • 1
  1. 1.Department of Material Science, University of SilesiaFaculty of Computer Science and Materials ScienceSosnowiecPoland

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