Ferroelectric materials toward next-generation electromechanical technologies

• 成果类型: Review
• 署名作者: Li, Fei; Wang, Bo; Gao, Xiangyu; Damjanovic, Dragan; Chen, Long-Qing; Zhang, Shujun
• 署名单位: Xi'an Jiaotong University; Xi'an Jiaotong University; Xi'an Jiaotong University; United States Department of Energy (DOE); Lawrence Livermore National Laboratory; Swiss Federal Institutes of Technology Domain; Ecole Polytechnique Federale de Lausanne; Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; University of Wollongong
• 刊物名称: SCIENCE
• ISSN/ISSBN: 0036-10504
• DOI: 10.1126/science.adn4926
• 发表日期: 2025-07-03
• 关键词: lead-free piezoceramics; giant piezoelectricity; single-crystals; thin-films; solid-solution; ceramics; strain; polarization; perovskites; enhancement

摘要

Ferroelectric materials have been widely used in various electromechanical devices, from ultrasonic transducers and actuators to mechanical energy harvesters. The key performance metrics of these devices, such as sensitivity, efficiency, and bandwidth of ultrasonic transducers, are largely determined by the piezoelectric properties. This Review highlights recent research progress in improving the piezoelectricity of ferroelectric materials and offers potential strategies for further enhancement to meet the ever-increasing demands for high-performance piezoelectric devices and systems. It provides insights into the future development of ferroelectrics to address the increasing demands of emerging applications, including photoacoustic imaging and piezoelectric fans and motors in integrated circuit-enabled electronic devices. Additionally, it emphasizes the need to consider environmental impacts across the entire life cycle of ferroelectrics, from sourcing and manufacturing to usage and disposal.