2019
DOI: 10.1111/jace.16533
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Designing novel sodium bismuth titanate lead‐free incipient perovskite for piezoactuator applications

Abstract: Bismuth‐based lead‐free incipient piezoceramics have potential in piezoactuators owing to their large strain response. However, a substantial strain hysteresis and poor temperature/frequency stability heavily restrict their practical applications. Herein, we designed a compositional inhomogeneity and constructed quenched random fields to enhance the relaxor dynamics by introducing a classical relaxor material, Ba(Zr0.2Ti0.8)O3, into a nonergodic material, (Na0.5Bi0.5)TiO3–0.15SrTiO3. Intriguingly, we obtained … Show more

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Cited by 15 publications
(1 citation statement)
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“…These low hysteresis values with high d 33 * values are excellent comprehensive performance for the practical applications of actuators. Figure (c) presents the d 33 * and strain hysteresis values of KNN-based and lead-based ceramics for comparison . The high d 33 * value with low strain hysteresis values obtained in this work approaches that of KNN-based and PZT4 and even exceed that of soft PZT5H ceramics, indicating good potential for high-precision piezoactuators.…”
Section: Resultsmentioning
confidence: 61%
“…These low hysteresis values with high d 33 * values are excellent comprehensive performance for the practical applications of actuators. Figure (c) presents the d 33 * and strain hysteresis values of KNN-based and lead-based ceramics for comparison . The high d 33 * value with low strain hysteresis values obtained in this work approaches that of KNN-based and PZT4 and even exceed that of soft PZT5H ceramics, indicating good potential for high-precision piezoactuators.…”
Section: Resultsmentioning
confidence: 61%