Ultra-large electric field–induced strain in potassium sodium niobate crystals
Chengpeng Hu, Xiangda Meng, Mao‐Hua Zhang, Hao Tian, John E. Daniels, Peng Tan, Fei Huang, Li Li 等 13 位
Harbin Institute of Technology State Key Laboratory of New Ceramics and Fine Processing Tsinghua University UNSW Sydney
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). The enhanced electromechanical properties in our crystals are realized by an engineered compositional gradient in the as-grown crystal, allowing notable reversible non-180° domain wall motion. Moreover, our crystals exhibit temperature-insensitive strain performance within the temperature range of 25°C to 125°C. The enhanced temperature stability of the response also allows the materials to be used in a wider range of applications that exceed the temperature limits of current lead-based piezoelectric crystals.
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材料 / 化学Ferroelectric and Piezoelectric Materials
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