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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Bipolar and unipolar fatigue of ferroelectric BNT-based lead-free piezoceramics

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Title
Bipolar and unipolar fatigue of ferroelectric BNT-based lead-free piezoceramics
Author
Luo, Z.Glaum, J.Granzow, T.Jo, WookDittmer, R.Hoffman, M.Rodel, J.
Keywords
ZIRCONATE-TITANATE CERAMICS; FREE PIEZOELECTRIC CERAMICS; STRAIN
Issue Date
2010-08
Publisher
WILEY-BLACKWELL
Citation
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.94, no.2, pp.529 - 535
Abstract
The bipolar and unipolar fatigue behavior of the lead-free piezo- and ferroelectric 0.94Bi(1/2)Na(1/2)TiO(3)-0.06BaTiO(3) (94BNT-6BT) was investigated. To obtain a complete profile of the fatigue behavior, both large-signal (polarization, strain) and small-signal (d(33), epsilon(33)) properties were measured at room temperature. The results indicate that the material suffers a significant degradation in both large- and small-signal properties after cycling, with most of the fatigue occurring in the first 104 cycles of the fatigue test.
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DOI
10.1111/j.1551-2916.2010.04101.x
ISSN
0002-7820
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MSE_Journal Papers
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