Nonlinear dielectric properties of barium strontium titanate ceramics

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Abstract

In barium strontium titanate (BaxSr1 - xTiO3) ceramics, obvious tunabilities of both dielectric permittivity and loss tangent under external DC bias field were observed. The temperature and frequency dependences of nonlinear dielectric properties were studied. Polarizing process was carried out to evaluate the influence of domain reorientation on dielectric nonlinearity in the ferroelectric polycrystalline samples. The nonlinear variation of dielectric properties under external DC bias field was tentatively explained.

Original languageEnglish
Pages (from-to)74-78
Number of pages5
JournalMaterials Science and Engineering: B
Volume99
Issue number1-3
DOIs
StatePublished - 25 May 2003
EventAdvanced Electronic-ceramic Materials. Proceedings of the 8th IUMRS-ICEM 2002 - Xi'an, China
Duration: 10 Jun 200214 Jun 2002

Keywords

  • Barium strontium titanate
  • DC bias field
  • Dielectric nonlinearity
  • Polar nanoregion

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