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arXiv 2008.04150cond-mat.mes-hall
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二维拓扑绝缘体的研究进展及其在电子器件中的应用

Review: Progress on 2D topological insulators and potential ap-plications in electronic devices

Yanhui Hou, Teng Zhang, Jiatao Sun, Liwei Liu, Yugui Yao, Yeliang Wang

摘要:

二维拓扑绝缘体(2DTI)在过去的几年中引起了越来越多的关注。通过理论计算预测了具有更大自旋轨道耦合(SOC)能隙的新的2DTI,并在实验上合成了其中的一些。本文综述了2DTI的研究进展,从单元素类石墨烯材料到双元素类石墨烯材料,再到具有不同厚度、结构和物相的多元素类石墨烯材料。总结了量子自旋霍尔效应和狄拉克费米子的拓扑性质及其应用前景。最后指出了2DTI研究的挑战和机遇,特别是基于拓扑特性的器件应用。

英文摘要:

Two-dimensional topological insulators (2DTI) have attracted increasing attention during the past few years. New 2DTI with increasing larger spin-orbit coupling (SOC) gaps have been predicted by theoretical calculations and some of them have been synthesized experimentally. In this review, the 2DTI, ranging from single element graphene-like materials to bi-elemental TMDs and to multi-elemental materials, with different thicknesses, structures and phases, have been summarized and discussed. The topological properties (especially the quantum spin Hall effect and Dirac fermion feature) and potential applications have been summarized. This review also points out the challenge and opportuni-ties for future 2DTI study, especially on the device applications based on the topological properties.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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