Applied Physics A

, Volume 81, Issue 6, pp 1237–1239 | Cite as

Thermal behavior of Jonscher’s formalism in relaxor ferroelectrics showing diffuse phase transitions

  • R. López Noda
  • A. Peláiz Barranco
  • F. Calderón Piñar
Article
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Abstract

A theoretical study of the thermal behavior of the exponent s of Jonscher’s power law in ferroelectric materials showing diffuse phase transitions (DPTs) is presented. The proposed model is applied to the experimental results of lanthanum-doped lead zirconate titanate ferroelectric ceramics. Both the proposed model and the experimental results show a critical point (a maximum) around the maximum of the dielectric loss factor, which moves to higher temperatures when the frequency increases, the typical behavior of a relaxor material with DPTs.

Keywords

Zirconate Phase Transition Titanate Operating Procedure Electronic Material 
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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • R. López Noda
    • 1
  • A. Peláiz Barranco
    • 2
  • F. Calderón Piñar
    • 2
  1. 1.Centro de UltrasónicaICIMAF, CITMALa HabanaCuba
  2. 2.Facultad de Física, Instituto de Materiales y ReactivosUniversidad de La HabanaLa HabanaCuba

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