Tomasz Jaroch, Lucyna Żurawek-Wyczesany, Agnieszka Stȩpniak-Dybala, Mariusz Krawiec, Marek Kopciuszyński, Piotr Dróżdż, Mariusz Gołȩbiowski, Ryszard Zdyb
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引用次数: 0
摘要
由元素周期表第 15 族元素组成的二维材料在很大程度上仍未得到探索。推进这项研究的主要挑战是缺乏大尺度的层,而这种大尺度的层有助于使用横向平均技术进行广泛的研究,并能为制造新型电子、光电和自旋电子器件进行功能化。在本报告中,我们介绍了一种合成大尺度锑层的方法,其尺寸约为 cm2。通过采用分子束外延技术,我们成功地在用单原子厚的锑原子层钝化的 W(110) 表面上生长出单层的 α 相锑烯薄膜。扫描隧道显微镜和低能电子衍射测量证实了 α 相锑烯的形成。电子结构进一步证明了 α 相的孤立性,通过角度分辨光电子能谱观察到了线性分散带,并得到了 ab initio 计算的支持。
Epitaxial Growth of Large-Scale α-Phase Antimonene
Two-dimensional materials composed of elements from the 15th group of the periodic table remain largely unexplored. The primary challenge in advancing this research is the lack of large-scale layers that would facilitate extensive studies using laterally averaging techniques and enable functionalization for the fabrication of novel electronic, optoelectronic, and spintronic devices. In this report, we present a method for synthesizing large-scale antimonene layers, on the order of cm2. By employing molecular beam epitaxy, we successfully grow a monolayer film of α-phase antimonene on a W(110) surface passivated with a single-atom-thick layer of Sb atoms. The formation of α phase antimonene is confirmed through scanning tunneling microscopy and low-energy electron diffraction measurements. The isolated nature of the α-phase is further evidenced in the electronic structure, with linearly dispersed bands observed through angle-resolved photoelectron spectroscopy and supported by ab initio calculations.
期刊介绍:
Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including:
- Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale
- Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies
- Modeling and simulation of synthetic, assembly, and interaction processes
- Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance
- Applications of nanoscale materials in living and environmental systems
Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.