Department of Physics, Southern University of Science and Technology (SUSTech), Shenzhen, China.
Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou, China.
Nat Mater. 2023 May;22(5):542-552. doi: 10.1038/s41563-022-01422-y. Epub 2023 Jan 23.
The discovery of ferroelectricity in two-dimensional (2D) van der Waals (vdW) materials has brought important functionalities to the 2D materials family, and may trigger a revolution in next-generation nanoelectronics and spintronics. In this Perspective, we briefly review recent progress in the field of 2D vdW ferroelectrics, focusing on the mechanisms that drive spontaneous polarization in 2D systems, unique properties brought about by the reduced lattice dimensionality and promising applications of 2D vdW ferroelectrics. We finish with an outlook for challenges that need to be addressed and our view on possible future research directions.
二维（2D）范德华（vdW）材料中铁电性的发现为 2D 材料家族带来了重要的功能，并可能引发下一代纳米电子学和自旋电子学的革命。在本观点中，我们简要回顾了二维 vdW 铁电体领域的最新进展，重点讨论了驱动二维系统自发极化的机制、晶格维度降低带来的独特性质以及二维 vdW 铁电体的有前景的应用。最后，我们展望了需要解决的挑战以及对未来可能的研究方向的看法。
