Electrical Properties of La2O3-Doped BaTiO3 Ceramics

Abstract:

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Hysteresis loop and dielectric properties of lead-free BaTiO3-La2O3 piezoelectric ceramics and BaTiO3 ceramic compared with pure BaTiO3 has been systematically studied. The amount of La2O3 addition ranged from 0.3~0.5mol% by controlling the sintering temperature. Dielectric properties of BaTiO3-La2O3 were promoted after the addition of La2O3, the maximum value of dielectric constant reached 8,624, recently. The role of La2O3 on the solid-state sintering of BaTiO3 is discussed on the basis of the solid-solution defect model.

Info:

Periodical:

Advanced Materials Research (Volumes 148-149)

Edited by:

Xianghua Liu, Zhengyi Jiang and Jingtao Han

Pages:

1222-1225

DOI:

10.4028/www.scientific.net/AMR.148-149.1222

Citation:

Y. J. Zhang et al., "Electrical Properties of La2O3-Doped BaTiO3 Ceramics", Advanced Materials Research, Vols. 148-149, pp. 1222-1225, 2011

Online since:

October 2010

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Price:

$35.00

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