Ultra-large electric field–induced strain in potassium sodium niobate crystals
Chengpeng Hu, Xiangda Meng, Mao‐Hua Zhang, Hao Tian, J. Daniels, Peng Tan, Fei Huang, Li Li, Ke Wang, Jing‐Feng Li, Qieni Lü, Wenwu Cao, Zhongxiang Zhou
Abstract
). 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.
Topics & Concepts
PotassiumElectric fieldStrain (injury)SodiumPotassium niobateMaterials scienceOptoelectronicsPhysicsBiologyAnatomyMetallurgyDielectricFerroelectricityQuantum mechanicsFerroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesPhotorefractive and Nonlinear Optics