Open AccessCharacterization of bismuth titanate ceramics derived by mechanochemical synthesis
Author(s) -
Zorica Lazarević,
B.D. Stojanović,
C.O. Paiva-Santos,
N. Romčević,
J.A. Varela
Publication year - 2007
Publication title -
science of sintering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.309
H-Index - 25
eISSN - 1820-7413
pISSN - 0350-820X
DOI - 10.2298/sos0703267l
Subject(s) - bismuth titanate , materials science , microstructure , crystallite , orthorhombic crystal system , bismuth , amorphous solid , scanning electron microscope , ceramic , phase (matter) , crystal structure , chemical engineering , grain size , specific surface area , mineralogy , nanotechnology , composite material , crystallography , metallurgy , optoelectronics , ferroelectricity , chemistry , biochemistry , organic chemistry , dielectric , engineering , catalysis
Bismuth titanate, Bi4Ti3O12 (BIT) nanosized powders have been successfully synthesized via high energy mechanochemical activation. The phase formation of BIT, crystal structure, microstructure, crystallite size and specific surface area were followed by XRD, scanning electron microscopy (SEM) and the BET specific surface area measurements. The BIT milled 2 h shows the orthorhombic crystalline structure with small amount of amorphous phase. The microstructure of Bi4Ti3O12 ceramics sintered at 1000°C for 12h exhibit plate-like grain structure
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