Dielectrlc Relaxation and Relaxor Behavior of (1-x)PbFe0.5Ta0.5O3-xPbTiO3 Ferroelectric Ceramics

Author

Kim, Jin Soo ; Cho, S.B. ; Cho, S.Y. ; Jang, M.S.

Author_Institution

Ulsan Univ., Ulsan

fYear

2007

fDate

27-31 May 2007

Firstpage

490

Lastpage

492

Abstract

(1-x)PbFe_0.5Ta_0.5O_3-xPbTiO₃ (PT) solid solution systems were prepared by a solid state reaction method. With increasing PbTiO₃, the phase transition temperature T_c linearly increased, and the corresponding dielectric behavior changed from a relaxor ferroelectrics to a normal ferroelectrics. One of them, the relaxor behavior of the 0.8PFT-0.2PT ceramics with x = 0.2 were observed at T_c = 64degC. The ferroelecreic P-E hysteresis loops of the ceramics still remained above the T_c. The dielectric relaxation and ferroelectric relaxor behaviors were investigated.

Keywords

dielectric hysteresis; dielectric relaxation; ferroelectric ceramics; iron compounds; lead compounds; phase transformations; relaxor ferroelectrics; solid solutions; P-E hysteresis loops; PbFe_0.5Ta_0.5O₃PbTiO₃; dielectric relaxation; ferroelectric ceramics; phase transition temperature; relaxor characteristics; solid solution systems; solid state reaction method; Ceramics; Dielectrics; Ferroelectric materials; Lead compounds; Physics; Raw materials; Relaxor ferroelectrics; Solid state circuits; Temperature; X-ray scattering;

fLanguage

English

Publisher

ieee

Conference_Titel

Applications of Ferroelectrics, 2007. ISAF 2007. Sixteenth IEEE International Symposium on

Conference_Location

Nara

ISSN

1099-4734

Print_ISBN

978-1-4244-1334-8

Electronic_ISBN

1099-4734

Type

conf

DOI

10.1109/ISAF.2007.4393308

Filename

4393308