Enhanced field-induced-strain by maximizing reversible domain switching contribution via eliminating negative strain in (NaBi)TiO-based ceramics
Journal of Materials Science: Materials in Electronics, ISSN: 1573-482X, Vol: 33, Issue: 9, Page: 6802-6815
2022
- 6Citations
- 8Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Ferroelectrics with high field-induced strain play a key role in the application of piezoelectric actuators. However, the strain contribution mainly originated from domain switching for normal ferroelectrics. As a result, the negative/remnant strain from irreversible domains orientation lowers the output strain, thus severely limiting their practical applications. Here, we optimized the output strain by maximizing reversible domain switching contribution via eliminating negative strain by composition design strategy. The maximum strain S = 0.41% with large signal piezoelectric coefficient d33∗= 688 pm/V was achieved for (BiNa)BaTi(NbCr)O ceramics with x = 0.035. The enhanced total strain level was due to the critical composition where the dominating ergodic state was just established. Highly boosting domain switching during reversible phase transition from an ergodic relaxor to ferroelectric order at this critical composition led to the significant enhancement in the maximum usable strains. This study provides a novel and efficient guideline for developing environmentally friendly ceramics with high strain response.
Bibliographic Details
Springer Science and Business Media LLC
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