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Growth and characterization of relaxor ferroelectric Pb(Fe 2/3W1/3)O3PbTiO3 single crystals

  • Simon Fraser University

Research output: Contribution to journal › Conference article › peer-review

6 Scopus citations

Abstract

Single crystals of the complex perovskite solid solution (1-x)Pb(Fe 2/3W1/3)O3-xPbTiO3 [(1-x)PFWxPT], with x = 0, 0.07, 0.13, 0.27 and 0.75, have been synthesized by the high temperature solution growth using PbO as flux, and characterized by X-ray diffraction and dielectric measurements. With the increasing amount of PT, the crystal structure at room temperature changes from a pseudo-cubic (x = 0, 0.07 and 0.13) to a tetragonal phase (x≥0.27). The dielectric properties of the crystals exhibit a typical relaxor behaviour for x = 0 to 0.27 with frequency-dependent peak temperature (Tm) satisfying the Vogel-Fulcher law, while the crystals with higher PT-content undergo a first-order transition at the ferroelectric Curie temperature TC.

Original languageEnglish
Pages (from-to)269-274
Number of pages6
JournalFerroelectrics
Volume355
Issue number1 PART 1
DOIs
StatePublished - 2007
Externally publishedYes
Event5th Asian Meeting on Ferroelectricity, AMF-5 - Noda, Japan
Duration: 3 Sep 2006 → 7 Sep 2006

Keywords

  • Complex perovskite
  • Dielectric permittivity
  • Pb(FeW)OPbTiO solid solution
  • Relaxor
  • Single crystal growth

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