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Multiferroic properties of Bi0.87La0.05Tb0.08FeO3 ceramics prepared by spark plasma sintering

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6 Author(s)
Jiang, Q.H. ; Department of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine Progressing, Tsinghua University, Beijing 100084, China ; Ma, J. ; Lin, Y.H. ; Nan, Ce-Wen
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Dense Bi0.87La0.05Tb0.08FeO3 ceramics were prepared by spark plasma sintering. The sample showed stable dielectric constant and low dielectric loss (∼5%), and a saturation ferroelectric loop with remnant polarization of 17 μC/cm2 and saturation polarization of 19 μC/cm2, as well as good ferromagnetism with saturation magnetization of 0.71 emu/g, at room temperature. After the sample was poled, its piezoelectric constant was measured as 12.8 pC/N, and, in particular, an obvious magnetoelectric coupling was observed.

Published in:
Applied Physics Letters  (Volume:91 ,  Issue: 2 )

Date of Publication: Jul 2007

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