二维材料中的各向异性效应

IF 4.5 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Alexander N Rudenko, Mikhail I Katsnelson
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引用次数: 0

摘要

在种类繁多的已知二维(2D)材料中,有些具有各向异性的晶体结构,例如几层黑磷(phosphorene)、氮化铍 BeN4、范德华磁体 CrSBr 和二卤化铼 ReX2 等不同系统。因此,它们的光学和电子特性也具有高度各向异性。在某些情况下,与各向同性的情况相比,各向异性不仅导致了可观测特性的平滑重规范化,而且出现了引人注目的新物理学。例如,双曲质子和激子、二维或范德华材料表面原子的强各向异性排序,以及传输和超导特性的本质变化。在此,我们对几组具有代表性的各向异性二维材料(包括半导体、各向异性狄拉克和半狄拉克材料以及超导体)的电子结构、输运和光学特性进行了系统综述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Anisotropic effects in two-dimensional materials
Among a huge variety of known two-dimensional (2D) materials, some of them have anisotropic crystal structures; examples include different systems such as a few-layer black phosphorus (phosphorene), beryllium nitride BeN4, the van der Waals magnet CrSBr, and rhenium dichalcogenides ReX2. As a consequence, their optical and electronic properties are highly anisotropic as well. In some cases, the anisotropy results in not only smooth renormalization of observable properties in comparison with the isotropic case, but in the appearance of dramatically new physics. The examples are hyperbolic plasmons and excitons, strongly anisotropic ordering of adatoms at the surface of 2D or van der Waals materials, and essential changes in transport and superconducting properties. Here, we present a systematic review of the electronic structure, transport, and optical properties of several representative groups of anisotropic 2D materials, including semiconductors, anisotropic Dirac and semi-Dirac materials, and superconductors.
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来源期刊
2D Materials
2D Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
10.70
自引率
5.50%
发文量
138
审稿时长
1.5 months
期刊介绍: 2D Materials is a multidisciplinary, electronic-only journal devoted to publishing fundamental and applied research of the highest quality and impact covering all aspects of graphene and related two-dimensional materials.
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