Volume 20 No 13 (2022)
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Structural and Transport Properties of Calcium and lanthanum modified PbTiO3
Shweta Gupta, Rajesh Kumar Katare
Abstract
A solid-state ceramic method successfully created lead titanate (PbTiO3; PT) particles. The amount of
90'domain reorientation in Calcium modified lead titanate piezoceramics, both with and without an applied
field, was measured using an X-ray diffraction apparatus. Also determined is the spatial pole density
distribution, which has the form [0 0 1]. In this study, we provide experimental results from our
investigations into the role that parameters like calcium content, electric poling field, & microstructure play
in determining the piezoelectric and electromechanical capabilities of ceramics. Particles of lead titanate
(PbTiO3) were synthesized using a solid-state ceramic technique. We calcined calcium granules from 500 to
1000 degrees Celsius at a rate of 5 degrees Celsius per minute for two hours. Transmission electron
microscopy and X-ray diffraction analysis confirmed the formation of well-crystalline pure phase PbTiO3
nanopowders after 900°C calcinations of the PbTiO3. PbO and TiO2 secondary phases were found when the
powders were calcined at temperatures below 900 °C. Morphology and structure were evaluated using
scanning electron microscopy (SEM). PLCT film shape and electric properties were investigated as a TiOx
seed layer thickness. Both underwent a 600°C calcination to produce a single perovskite phase.
Keywords
Lead titanate, Piezeoceramics, Perovskite structure, Solid-state ceramic
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