4.2 Article

Properties of 0.94Bi0.5Na0.5TiO3-0.06BiAlO3 Ceramics Prepared by Two Steps Sintering Technique

Journal

FERROELECTRICS
Volume 458, Issue 1, Pages 152-157

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/00150193.2013.850366

Keywords

Two step sintering; ferroelectrics; dielectric properties

Funding

  1. Faculty of Science and Graduate School Chiang Mai University
  2. Faculty of Science and Technology, Chiang Mai Rajabhat University
  3. Thailand Research Fund (TRF)
  4. Office of the Higher Education Commission (OHEC) Thailand

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In this research, 0.94Bi(0.5)Na(0.5)TiO(3)-0.06BiAlO(3) ceramics were prepared by the conventional solid-state reaction and the two steps sintering. X-ray diffraction analysis revealed that both samples showed a pure perovskite phase. Scanning electron microscopy study revealed that both ceramics had similar microstructure. The two steps sintering affects the phase transition temperature of the ceramics. Dielectric and ferroelectric properties of the two steps sintering samples are better than that of the conventional sample. The results were related to the densification and the degree of crystallinity of the samples.

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