Articles
  • Effect of an oxygen treatment on the structure and dielectric property of BiFeO3-doped Na0.47Bi0.47Ba0.06TiO3 lead-free ceramics
  • Xiaoming Chena,*, Jian Wanga, Haiyan Maa, Hanli Lianb and Peng Liua
  • a School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, P.R. China b School of Science, Xi'an University of Posts and Telecommunications, Xi'an 710121, P.R. China
Abstract
BiFeO3-doped Na0.47Bi0.47Ba0.06TiO3 lead-free ceramics were prepared by a solid state reaction method. The ceramics obtained were annealed in a nitrogen atmosphere (N2) and dipped in hydrogen peroxide ambient (H2O2). The different processes of the oxygen treatment had an obvious effect on the X-ray diffraction (XRD) peak positions of the ceramics. No obvious variation in the microstructure was found between the N2-annealed and H2O2-dipped ceramics. The changes in the dielectric property of the ceramics with different processes of oxygen treatment are discussed according to the variation of the oxygen vacancy concentration.

Keywords: Bismuth sodium titanate, Structure, Dielectric property, Oxygen treatment.

This Article

  • 2012; 13(4): 495-499

    Published on Aug 31, 2012

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