Characterization and properties of barium bismuth titanate | Zendy

J.D. Bobić | Zendy; Mirjana Vijatovic | Zendy; Tadej Rojac | Zendy; B.D. Stojanović | Zendy

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Characterization and properties of barium bismuth titanate

Author(s) -

J.D. Bobić,

Mirjana Vijatovic,

Tadej Rojac,

B.D. Stojanović

Publication year - 2009

Publication title -

processing and application of ceramics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.326

H-Index - 15

eISSN - 2406-1034

pISSN - 1820-6131

DOI - 10.2298/pac0902009b

Subject(s) - materials science , calcination , barium titanate , microstructure , ball mill , bismuth titanate , scanning electron microscope , bismuth , dielectric , stoichiometry , ceramic , chemical engineering , characterization (materials science) , sintering , mineralogy , composite material , ferroelectricity , nanotechnology , metallurgy , chemistry , biochemistry , optoelectronics , engineering , catalysis

BaBi 4 Ti 4 O 15 (BBiT) was prepared from stoichiometric amounts of BaTiO 3 (BT) and Bi 4 Ti 3 O 12 (BIT) obtained via mechanochemical synthesis. Mechanochemical synthesis was performed in air atmosphere in a planetary ball mill. BBiT ceramics were sintered at 1100°C, 1110°C and 1120°C for 1 h without pre-calcination step. The formation of phase and crystal structure of BT, BIT and BBiT were verified using X-ray analysis. The morphol- ogy of obtained powders and microstructure were examined using scanning electron microscopy. The electri- cal properties of sintered samples were carried out and BBiT shows behaviour typical for relaxor ferroelectrics and dielectric constant at room temperature is approximately 93.

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