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Advancements and Prospects of Flexoelectricity
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2024-02-15 , DOI: 10.1021/acsami.3c16727
Yanlong Xia 1, 2 , Weiqi Qian 1 , Ya Yang 1, 2
Affiliation  

The flexoelectric effect, as a novel form of the electromechanical coupling phenomenon, has attracted significant attention in the fields of materials science and electronic devices. It refers to the interaction between strain gradients and electric dipole moments or electric field intensity gradients and strain. In contrast to the traditional piezoelectric effect, the flexoelectric effect is not limited by material symmetry or the Curie temperature and exhibits a stronger effect at the nanoscale. The flexoelectric effect finds widespread applications ranging from energy harvesting to electronic device design. Utilizing the flexoelectric effect, enhanced energy harvesters, sensitive sensors, and high-performance wearable electronic devices can be developed. Additionally, the flexoelectric effect can be utilized to modulate the optoelectronic properties and physical characteristics of materials, holding the potential for significant applications in areas such as optoelectronic devices, energy storage devices, and flexible electronics. This review provides a comprehensive overview of the historical development, measurement of flexoelectric coefficients, enhancement mechanisms, and current research progress of the flexoelectric effect. Additionally, it offers a perspective on future prospects of the flexoelectric effect.

中文翻译:


柔性电的进展和前景



挠曲电效应作为一种新型的机电耦合现象,引起了材料科学和电子器件领域的广泛关注。它是指应变梯度与电偶极矩或电场强度梯度与应变之间的相互作用。与传统的压电效应相比,挠曲电效应不受材料对称性或居里温度的限制,在纳米尺度上表现出更强的效应。挠曲电效应有着广泛的应用,从能量收集到电子设备设计。利用挠曲电效应,可以开发增强型能量采集器、灵敏传感器和高性能可穿戴电子设备。此外,挠曲电效应可用于调节材料的光电特性和物理特性,在光电器件、储能器件和柔性电子器件等领域具有重要的应用潜力。该综述全面概述了屈曲电效应的历史发展、屈曲电系数的测量、增强机制以及当前的研究进展。此外,它还提供了对挠曲电效应未来前景的展望。
更新日期:2024-02-15
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