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Dielectric and Piezoelectric Properties of Sodium Bismuth Titanate Ceramics with KCe Substitution |
| XU Jian-Xiu, ZHAO Liang, ZHANG Cheng-Ju |
| School of Physics, Shandong University, Jinan 250100 |
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| Cite this article: |
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XU Jian-Xiu, ZHAO Liang, ZHANG Cheng-Ju 2008 Chin. Phys. Lett. 25 4414-4416 |
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Abstract The piezoelectric properties of the (KCe)-substituted sodium bismuth titanate (Na0.5Bi4.5Ti4O15, NBT) piezoelectric ceramics are investigated. The piezoelectric properties of NBT ceramics are significantly enhanced by (KCe) substitution. The Curie temperature Tc, and piezoelectric coefficient d33 for the (KCe)-substituted NBT are found to be 663ºC, and 27pC/N, respectively. Dielectric and annealing spectroscopy resent that the (KCe) co-substituted NBT piezoelectric ceramics possess stable piezoelectric properties.
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| Keywords:
77.84.-s
77.84.Dy
77.65.Bn
77.80.Bh
77.80.Dj
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Received: 02 September 2008
Published: 27 November 2008
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| PACS: |
77.84.-s
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(Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
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77.84.Dy
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77.65.Bn
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(Piezoelectric and electrostrictive constants)
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77.80.Bh
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77.80.Dj
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(Domain structure; hysteresis)
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