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Piezoelectric Properties of Nd and V Cosubstituted Bi4Ti3O12 Ceramics

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Abstract:

The piezoelectric properties of Nd and V cosubstituted bismuth titanate ceramics, (Bi4-y,Ndy)1-(x/12)(Ti3-x,Vx)O12 [BNTV-y (x=0.01, y=0.00~1.00)] , are investigated. Furthermore, the grain orientation effects of BNTV-y ceramics on their piezoelectric properties are studied by the hot forging (HF) method. The electromechanical coupling factor, k33, of ordinarily fired (OF) BNTV-y0.75 ceramic was 0.21, which is one of the highest k33 values for bismuth layer-structured ferroelectrics (BLSFs). On the other hand, the k33 of the grain oriented (HF) BNTV-y0.25 ceramic was 0.30.

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Periodical:

Key Engineering Materials (Volume 320)

Pages:

39-42

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.320.39

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Online since:

September 2006

Authors:

Satoru Matsuzawa, Yuji Hiruma, Rintaro Aoyagi, Hajime Nagata, Tadashi Takenaka

Keywords:

Bismuth Titanate, Grain Orientation, Hot-Forging, Piezoelectric Properties

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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