Polar discontinuities and 1D interfaces in monolayered materials

IF 8.7 2区 工程技术 Q1 CHEMISTRY, PHYSICAL
Rafael Martinez-Gordillo , Miguel Pruneda
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引用次数: 17

Abstract

Interfaces are the birthplace of a multitude of fascinating discoveries in fundamental science, and have enabled modern electronic devices, from transistors, to lasers, capacitors or solar cells. These interfaces between bulk materials are always bi-dimensional (2D) ‘surfaces’. However the advent of graphene and other 2D crystals opened up a world of possibilities, as in this case the interfaces become one-dimensional (1D) lines. Although the properties of 1D nanoribbons have been extensively discussed in the last few years, 1D interfaces within infinite 2D systems had remained mostly unexplored until very recently. These include grain boundaries in polycrystalline samples, or interfaces in hybrid 2D sheets composed by segregated domains of different materials (as for example graphene/BN hybrids, or chemically different transition metal dichalcogenides). As for their 2D counterparts, some of these 1D interfaces exhibit polar characteristics, and can give rise to fascinating new physical properties. Here, recent experimental discoveries and theoretical predictions on the polar discontinuities that arise at these 1D interfaces will be reviewed, and the perspectives of this new research topic, discussed.

单层材料中的极性不连续和一维界面
界面是基础科学中许多引人入胜的发现的发源地,并使现代电子设备成为可能,从晶体管到激光、电容器或太阳能电池。这些大块材料之间的界面总是二维的“表面”。然而,石墨烯和其他二维晶体的出现开辟了一个可能性的世界,因为在这种情况下,界面变成了一维(1D)线。尽管一维纳米带的性质在过去几年中得到了广泛的讨论,但无限二维系统中的一维界面直到最近才得到探索。这些包括多晶样品中的晶界,或由不同材料(例如石墨烯/BN杂化物,或化学上不同的过渡金属二硫族化合物)的分离域组成的杂化2D片中的界面。至于2D界面,其中一些1D界面表现出极性特征,并可能产生迷人的新物理特性。在这里,将回顾最近在这些一维界面上出现的极性不连续的实验发现和理论预测,并讨论这个新研究课题的观点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Progress in Surface Science
Progress in Surface Science 工程技术-物理:凝聚态物理
CiteScore
11.30
自引率
0.00%
发文量
10
审稿时长
3 months
期刊介绍: Progress in Surface Science publishes progress reports and review articles by invited authors of international stature. The papers are aimed at surface scientists and cover various aspects of surface science. Papers in the new section Progress Highlights, are more concise and general at the same time, and are aimed at all scientists. Because of the transdisciplinary nature of surface science, topics are chosen for their timeliness from across the wide spectrum of scientific and engineering subjects. The journal strives to promote the exchange of ideas between surface scientists in the various areas. Authors are encouraged to write articles that are of relevance and interest to both established surface scientists and newcomers in the field.
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