van der Waals MoSi2N4材料族

IF 86.2 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Tianya Zhou, Chuan Xu, Wencai Ren
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引用次数: 0

摘要

二维材料,如石墨烯、六方氮化硼和过渡金属二硫族化合物,通常受到已知三维体材料的限制。设计和合成全新的二维材料,特别是范德华(vdW)层状材料,将极大地扩展二维材料的特性和功能。2020年,通过在二维非层状氮化钼表面添加单质硅进行钝化,合成了一种新型的vdW层状材料MoSi2N4,从此开辟了通式为MA2Z4的vdW新材料家族。迄今为止,由于MA2Z4中元素和结构的多样性,除了合成的MSi2N4 (M = Mo, W)外,已经预测了一百多种MA2Z4材料及其衍生物,包括金属,半导体,超导体,拓扑绝缘体,铁电体和铁磁体。这些材料表现出各种优异的电子、光学、热学、机械、铁电和磁性能,它们在电子和光电子器件、电催化、光催化和电池方面的应用前景广阔。在过去的4年里,MoSi2N4材料家族迅速成为材料科学的一个关键研究前沿。本文综述了近年来MoSi2N4家族材料的研究进展,包括晶体结构、合成方法、基本性质和潜在应用,并对未来的研究方向进行了展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The van der Waals MoSi2N4 materials family

The van der Waals MoSi2N4 materials family

Two-dimensional materials, such as graphene, hexagonal boron nitride and transition metal dichalcogenides, are normally limited by the known 3D bulk materials. The design and synthesis of entirely new 2D materials, particularly van der Waals (vdW) layered materials, would significantly expand the properties and functionalities of 2D materials. In 2020, a novel vdW layered material, MoSi2N4, was synthesized by passivating the surface of 2D non-layered molybdenum nitride with the addition of elemental silicon, which has since opened up a new vdW materials family with the general formula MA2Z4. To date, over a hundred MA2Z4 materials and their derivatives have been predicted, in addition to the synthesized MSi2N4 (M = Mo, W), encompassing metals, semiconductors, superconductors, topological insulators, ferroelectrics and ferromagnets, owing to the diversity of elements and structures in MA2Z4. Such materials exhibit a variety of exceptional electronic, optical, thermal, mechanical, ferroelectric and magnetic properties, and they are promising for applications in electronic and optoelectronic devices, electrocatalysis, photocatalysis and batteries. Over the past 4 years, the MoSi2N4 materials family has rapidly emerged as a key research frontier in materials science. In this Review, we summarize recent advances in the investigation of materials in the MoSi2N4 family, covering their crystal structure, synthesis methods, fundamental properties and potential applications, and provide an outlook on future research directions.

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来源期刊
Nature Reviews Materials
Nature Reviews Materials Materials Science-Biomaterials
CiteScore
119.40
自引率
0.40%
发文量
107
期刊介绍: Nature Reviews Materials is an online-only journal that is published weekly. It covers a wide range of scientific disciplines within materials science. The journal includes Reviews, Perspectives, and Comments. Nature Reviews Materials focuses on various aspects of materials science, including the making, measuring, modelling, and manufacturing of materials. It examines the entire process of materials science, from laboratory discovery to the development of functional devices.
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