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Bismuth sodium titanate (BNT)‐based lead‐free piezoceramics are promising for replacing lead‐based piezoceramics in piezoelectric actuators due to their large strains. However, achieving low‐hysteresis large‐strain BNT‐based ceramics over a broad temperature range is challenging, owing to the complexity of the composition design and phase transformation. Herein, a lead‐free relaxor‐ferroelectric (1−...
Lead‐Free Piezoceramics
In article number 2202307, Linglong Li, Dong Wang, and Xiaojie Lou, and co‐workers report a computationally aided composition design for discovering high‐performance lead‐free perovskite piezomaterials. The obtained bismuth sodium titanate‐based relaxor‐ferroelectric ceramic demonstrates low‐hysteresis large strains over a wide range of temperatures, which holds great promise...
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