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多层过渡金属二硫属化物的相称、不相称和重构结构及其应用

Commensurate, Incommensurate, and Reconstructed Structures of Multilayer Transition Metal Dichalcogenide and Their Applications.

作者信息

Oh Hyun-Geun, You Younghyun, Lee Seungyun, Lee Sangheon, Ren Fan, Pearton Stephen J, Kim Jihyun, Lee Gwan-Hyoung

机构信息

Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea.

HBM Package Development Group, Samsung Electronics, Suwon, 16677, Republic of Korea.

出版信息

Small. 2025 Jul;21(30):e2412737. doi: 10.1002/smll.202412737. Epub 2025 Mar 19.

Abstract

Multilayer transition metal dichalcogenides (ML-TMDs) with commensurate, incommensurate, and reconstructed structures, have emerged as a class of 2D materials with unique properties that differ significantly from their monolayer counterparts. While previous research has focused on monolayers, the discovery of various novel properties has sparked interest in multilayers with diverse structures engineered through stacking. These materials are characterized by interactions between layers and exhibit remarkable tunability in their structural, optical, and electronic behaviors depending on stacking order, twist angle, and interlayer coupling. This review provides an overview of ML-TMDs and explores their properties such as electronic band structure, optical responses, ferroelectricity, and anomalous Hall effect. Various synthetic methods employed to fabricate ML-TMDs, including mechanical stacking and chemical vapor deposition techniques, with an emphasis on achieving precise control of the twist angles and layer configurations, are discussed. This study further explores potential applications of ML-TMDs in nanoelectronics, optoelectronics, and quantum devices, where their unique properties can be harnessed for next-generation technologies. The critical role played by these materials in the development of future electronic and quantum devices is highlighted.

摘要

具有相称、不相称和重构结构的多层过渡金属二硫属化物(ML-TMDs)已成为一类二维材料,其具有与单层对应物显著不同的独特性质。虽然先前的研究集中在单层上,但各种新性质的发现引发了人们对通过堆叠设计的具有不同结构的多层材料的兴趣。这些材料的特征在于层间相互作用,并根据堆叠顺序、扭转角和层间耦合在其结构、光学和电子行为方面表现出显著的可调性。本综述概述了ML-TMDs,并探讨了它们的性质,如电子能带结构、光学响应、铁电性和反常霍尔效应。讨论了用于制造ML-TMDs的各种合成方法,包括机械堆叠和化学气相沉积技术,重点是实现对扭转角和层构型的精确控制。本研究进一步探索了ML-TMDs在纳米电子学、光电子学和量子器件中的潜在应用,在这些应用中,它们的独特性质可用于下一代技术。强调了这些材料在未来电子和量子器件发展中所起的关键作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0375/12306422/6a944f20c728/SMLL-21-2412737-g001.jpg

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