Flux growth and dielectric properties of relaxor-based Pb(In 1/2Nb1/2)O3-PbTiO3 single crystals

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Abstract

Relaxor-based piezoelectric single crystals of lead indium niobate-lead titanate (0.63Pb(In1/2Nb1/2)-0.37PbTiO3, abbreviated as PIN-PT), in the vicinity of the morphotropic phase boundary, were prepared by a flux method. The compositions of the flux, Pb3O 4 or PbF2, play different role in perovskite stability and phase development. Thus, pure perovskite PIN-PT single crystals with the size of 2∼5 mm were obtained by using Pb3O4 flux as well as a small amount of B2O3 additive. The microstructure and the phase development of the as-grown single crystals were investigated by scanning electron microscopy and transmission electron microscopy and X-ray diffraction. Furthermore, the dielectric properties of the 〈100〉- oriented PIN-PT single crystals were measured in the temperature range between 20°C and 400°C.

Original languageEnglish
Pages (from-to)4179-4182
Number of pages4
JournalMaterials Science Forum
Volume475-479
Issue numberV
DOIs
StatePublished - 2005
EventPRICM 5: The Fifth Pacific Rim International Conference on Advanced Materials and Processing - Beijing, China
Duration: 2 Nov 20045 Nov 2004

Keywords

  • Dielectric property
  • Microstructure
  • Pb(InNb)O-PbTiO
  • Perovskite
  • Single crystal growth

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