Study of electric-field-induced phase transitions in [111] oriented 0.955Pb(Zn1/3Nb2/3)O3-0.045PbTiO3 single crystals

Mingrong Shen, Donglai Yao, Wenwu Cao

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Abstract

We report the presence of a field-induced intermediate ferroelectric phase in pre-poled [111] oriented 0.955Pb(Zn1 / 3Nb2 / 3)O 3-0.045PbTiO3 (PZN-4.5%PT) single crystals, based on the dielectric, differential scanning calorimetry and pyroelectric measurements. It was found that this phase exists in a very narrow interval of 4.3°C between the ferroelectric rhombohedral and tetragonal phases. This may be explained as an electric-field-induced orthorhombic phase based on previous investigations on the PZN-8%PT single crystals. An electric-field-induced phase diagram of <111> oriented PZN-PT has been redrawn based on this study.

Original languageEnglish (US)
Pages (from-to)3276-3279
Number of pages4
JournalMaterials Letters
Volume59
Issue number26
DOIs
StatePublished - Nov 1 2005

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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