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Ferroelectrics Volume 396, 2010 - Issue 1
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Original Articles

Ferroelectric and Piezoelectric Properties of Pb(Ni1/3Nb2/3)0.5(Ti0.7Zr0.3)0.5O3 Ceramics Fabricated by Tape-Casting Process

Hui Wang The Aeronautical Key Laboratory for Smart Materials & Structures, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, P.R. China
,
Kongjun Zhu The Aeronautical Key Laboratory for Smart Materials & Structures, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, P.R. China
,
Jinhao Qiu The Aeronautical Key Laboratory for Smart Materials & Structures, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, P.R. China
,
Jun Luo The Aeronautical Key Laboratory for Smart Materials & Structures, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, P.R. China
&
Hongli Ji The Aeronautical Key Laboratory for Smart Materials & Structures, Nanjing University of Aeronautics & Astronautics, Nanjing, 210016, P.R. China
Pages 90-97 | Received 25 Feb 2010, Published online: 14 Jun 2010
 
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Abstract

Pb(Ni1/3Nb2/3)0.5(Ti0.7Zr0.3)0.5O3 (PNN-PZT) ceramic powders were pre-calcined by solid-state reaction method. PNN-PZT piezoelectric ceramics were fabricated by tape-casting process. The effects of sintering temperature on physical and electrical properties of the PNN-PZT ceramics were studied. The results show that the ceramics sintered at 1225°C have the best overall properties, d33 = 780 pC/N, ϵ r = 6.18 × 103, kp = 0.6, tan δ = 0.017, Pr = 26.36 μC/cm2. Compared to the ceramics with the same composition prepared by the traditional process, the properties of the ceramics prepared by tape-casting process have been improved greatly.

Acknowledgment

The authors would like to thank the support of the Natural Science Foundation of Jiangsu Province, China (BK2008399) and the 863-Program (Grant No. 2007AA03Z104).

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