Effect of Barium Titanate Additives on Dielectric Property of PLZT Ceramics

Ladapak Chumprasert; Narit Funsueb; Apichart Limpichaipanit; Athipong Ngamjarurojana

doi:10.4028/www.scientific.net/AMM.804.21

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 804Effect of Barium Titanate Additives on Dielectric...

Effect of Barium Titanate Additives on Dielectric Property of PLZT Ceramics

Abstract:

Barium titanate (BT) additive in lanthanum modified lead zirconate titanate (PLZT) was used to modify the microstructure and resultant properties of (1-x) PLZT– x BT where x= 0, 0.05, 0.10, 0.15, 0.20 and 0.25. Oxide powders were synthesized by mixed oxide synthetic route via a rapid vibro-milling technique. All of samples were sintered at 1275°C with the soaking time of 4 h. The ceramic samples were investigated for phase formation and evolution, dielectric behavior and ferroelectric properties. Introduction of BT in PLZT lattice resulted in ferroelectric tetragonal-rhombohedral structure, and further increase of BT content resulted in stabilizing the ferroelectric tetragonal perovskite phase. Dielectric behavior and ferroelectric properties were examined as a function of BT content.

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Periodical:

Applied Mechanics and Materials (Volume 804)

Pages:

21-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.804.21

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Online since:

October 2015

Authors:

Ladapak Chumprasert, Narit Funsueb, Apichart Limpichaipanit, Athipong Ngamjarurojana*

Keywords:

Barium Titanate, Lead Lanthanum Zirconate Titanate, Phase Transition

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