Kinetics of electric-field-induced ferroelectric phase transitions in relaxor ferroelectrics

B. E. Vugmeister, Herschel Albert Rabitz

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

The kinetics of electric-field-induced ferroelectric phase transitions in relaxor ferroelectrics observed recently [S. B. Vakhrushev, J. M. Kiat, and B. Dkhil, Solid State Commun. 103, 477 (1997); B. Dkhil and J. M. Kiat, J. Appl. Phys. 90, 4676 (2001)] is analyzed in the framework of a dynamical model of relaxors which incorporates features of nonequilibrium glassy dynamics resembling that in dipole glasses, with the high polarizabity of the system being in the vicinity of the ferroelectric threshold. We show that the dynamical equations may be reduced to a Landau-type phenomenological polynomial in which the linear coefficient-zero-field-cooled permittivity - is a function of time. The theory adequately reproduces the features of electricfield induced polarization growth observed in the experiment.

Original languageEnglish (US)
Article number024111
Pages (from-to)241111-241114
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number2
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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