Effect of Crystallographic Texture on the Field-Induced-Phase Transformation Behavior of Bi 0.5Na 0.5TiO 3−7BaTiO 3−2K 0.5 Na 0.5NbO 3

Chris M. Fancher, Thanakorn Iamsasri, John E. Blendell, Keith J. Bowman

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The electric-field-induced phase transformation of (001)pc oriented Bi0.5Na 0.5TiO 3−7BaTiO 3−2K 0.5Na 0.5NbO 3 bulk ceramics with a 8.3 multiples of a random distribution fiber texture was investigated using in situ diffraction. Field-dependent diffraction suggests that the high strain is a result of an electric-field-induced pseudo-cubic to tetragonal phase transformation, where the induced tetragonal phase has a strong domain texture. The effect of electric field direction was investigated by applying the electric field parallel and perpendicular to the fiber texture axis. Applied field direction affected the lattice spacing of the induced phase, domain texture, and increased poling field to induce the phase transformation.

Original languageEnglish
Pages (from-to)156-160
Number of pages5
JournalMaterials Research Letters
Volume1
Issue number3
DOIs
StatePublished - 2013
Externally publishedYes

Keywords

  • Bismuth Sodium Titanate
  • Electric-Field-Induced Phase Transformation
  • Preferred Orientation

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