Liu Ping, Zhang Ying, Li Kehan, Li Yongde, Pu Yong
School of Science & New Energy Technology Engineering Laboratory of Jiangsu Province, Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
Department of Materials Science & Engineering, CAS Key Lab of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China.
iScience. 2023 Aug 11;26(9):107584. doi: 10.1016/j.isci.2023.107584. eCollection 2023 Sep 15.
The emergence of two-dimensional (2D) van der Waals magnets provides an exciting platform for exploring magnetism in the monolayer limit. Exotic quantum phenomena and significant potential for spintronic applications are demonstrated in 2D magnetic crystals and heterostructures, which offer unprecedented possibilities in advanced formation technology with low power and high efficiency. In this review, we summarize recent advances in 2D van der Waals magnetic crystals. We focus mainly on van der Waals materials of truly 2D nature with intrinsic magnetism. The detection methods of 2D magnetic materials are first introduced in detail. Subsequently, the effective strategies to modulate the magnetic behavior of 2D magnets (e.g., Curie temperature, magnetic anisotropy, magnetic exchange interaction) are presented. Then, we list the applications of 2D magnets in the spintronic devices. We also highlight current challenges and broad space for the development of 2D magnets in further studies.
二维范德华磁体的出现为在单层极限下探索磁性提供了一个令人兴奋的平台。二维磁性晶体和异质结构展现出奇异的量子现象以及在自旋电子学应用方面的巨大潜力，这为低功耗、高效率的先进制造技术提供了前所未有的可能性。在这篇综述中，我们总结了二维范德华磁性晶体的最新进展。我们主要关注具有本征磁性的真正二维性质的范德华材料。首先详细介绍二维磁性材料的检测方法。随后，阐述调控二维磁体磁行为（如居里温度、磁各向异性、磁交换相互作用）的有效策略。接着，列举二维磁体在自旋电子器件中的应用。我们还强调了二维磁体在进一步研究中当前面临的挑战和广阔的发展空间。
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