Synthesis of Van der Waals stretched antimonene via remote epitaxy

IF 2.1 4区 化学 Q3 CHEMISTRY, PHYSICAL
Yunfei Li , Xusheng Ding , Guowen Yuan , Ye-Heng Song , Libo Gao , Weifeng Zhang
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引用次数: 0

Abstract

Two-dimensional antimonene with a honeycomb structure has attracted significant attention in recent years due to its novel properties and tunable electronic structure as varying applied in-plane strain. Yet, applying epitaxially strained antimonene is greatly limited by the strong coupling with the metal substrates. Here, we demonstrate the synthesis of the van der Waals stretched antimonene on graphene/Cu(111) substrate via remote epitaxy. It is found that, as corroborated by atomic force microscopy and reflection high-energy electron diffraction, the lattice of the antimonene can be remotely stretched by the underlying Cu(111). The graphene layer prevents antimonene from forming the surface alloy with Cu(111), which is also confirmed by Raman spectroscopy results. Our study not only provides a way to regulate the lattice of the epitaxial layers remotely but also provides a new idea for developing new potential topological materials.

Abstract Image

通过远程外延合成范德华拉伸锑
蜂窝状结构的二维锑近年来备受关注,因为它具有新颖的特性和可随施加的面内应变变化而调整的电子结构。然而,外延应变锑烯的应用受到与金属基底强耦合的极大限制。在这里,我们展示了通过远程外延在石墨烯/铜(111)基底上合成范德华拉伸锑。原子力显微镜和反射高能电子衍射证实,锑的晶格可以被底层的 Cu(111) 远距离拉伸。石墨烯层阻止了锑与 Cu(111) 形成表面合金,拉曼光谱结果也证实了这一点。我们的研究不仅提供了一种远程调节外延层晶格的方法,还为开发新的潜在拓扑材料提供了新思路。
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来源期刊
Surface Science
Surface Science 化学-物理:凝聚态物理
CiteScore
3.30
自引率
5.30%
发文量
137
审稿时长
25 days
期刊介绍: Surface Science is devoted to elucidating the fundamental aspects of chemistry and physics occurring at a wide range of surfaces and interfaces and to disseminating this knowledge fast. The journal welcomes a broad spectrum of topics, including but not limited to: • model systems (e.g. in Ultra High Vacuum) under well-controlled reactive conditions • nanoscale science and engineering, including manipulation of matter at the atomic/molecular scale and assembly phenomena • reactivity of surfaces as related to various applied areas including heterogeneous catalysis, chemistry at electrified interfaces, and semiconductors functionalization • phenomena at interfaces relevant to energy storage and conversion, and fuels production and utilization • surface reactivity for environmental protection and pollution remediation • interactions at surfaces of soft matter, including polymers and biomaterials. Both experimental and theoretical work, including modeling, is within the scope of the journal. Work published in Surface Science reaches a wide readership, from chemistry and physics to biology and materials science and engineering, providing an excellent forum for cross-fertilization of ideas and broad dissemination of scientific discoveries.
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