Paper Title:
Ferroelectric Properties of Bismuth Titanate Ceramics by Eu3+/V5+ Substitution
  Abstract

The ferroelectricity of Bi3.25Eu0.75Ti3O12 (BET), and Bi3.25Eu0.75Ti2.97V0.03O12 (BETV) ceramics prepared at 1100°C by a conventional ceramic technique was investigated. These ceramics possess random-oriented polycrystalline structure. The remanent polarization (Pr) and coercive field (Ec) of the BET ceramics are 16 µC/cm2 and 62kV/cm, respectively. Furthermore, V substitution improves the Pr value of the BET ceramics up to 25 μC/cm2 which is larger than that of the BET ceramics. Therefore, co-sustitution of Eu and V in Bi4Ti3O12 (BIT) ceramic is effective for the improvement of its ferroelectricity.

  Info
Periodical
Edited by
Yiwang Bao, Danyu Jiang, Li Tian and Jianghong Gong
Pages
230-233
DOI
10.4028/www.scientific.net/KEM.492.230
Citation
X.A. Mei, M. Chen, R. F. Liu, Y.H. Sun, J. Liu, "Ferroelectric Properties of Bismuth Titanate Ceramics by Eu3+/V5+ Substitution", Key Engineering Materials, Vol. 492, pp. 230-233, 2012
Online since
September 2011
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$32.00
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