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Point defects in epitaxial silicene on Ag(111) surface
Hongsheng Liu, Haifeng Feng, Yi Du +3
Silicene, a counterpart of graphene, has achieved rapid development due to its exotic electronic properties and excellent compatibility with the mature silicon-based semiconductor…
Experimental Realization of Two-Dimensional Boron Sheets
Baojie Feng, Jin Zhang, Qing Zhong +7
Boron is the fifth element in the periodic table and possesses rich chemistry second only to carbon. A striking feature of boron is that B12 icosahedral cages occur as the building…
Quantized one-dimensional edge channels with strong spin-orbit coupling in 3D topological insulators
Christoph Kastl, Paul Seifert, Xiaoyue He +3
A strong coupling between the electron spin and its motion is one of the prerequisites of spin-based data storage and electronics. A major obstacle is to find spin-orbit coupled ma…
Direct Evidence of Metallic Bands in a Monolayer Boron Sheet
Baojie Feng, Jin Zhang, Ro-Ya Liu +8
The search for metallic boron allotropes has attracted great attention in the past decades and recent theoretical works predict the existence of metallicity in monolayer boron. Her…
Observation of van Hove Singularities in Twisted Silicene Multilayers
Zhi Li, Jincheng Zhuang, Lan Chen +7
Interlayer interactions perturb the electronic structure of two-dimensional materials and lead to new physical phenomena, such as van Hove singularities and Hofstadter's butterfly…
From Silicene to Half-Silicane by Hydrogenation
Jinglan Qiu, Huixia Fu, Yang Xu +5
Graphane is graphene fully hydrogenated from both sides, forming a 1x1 structure, where all C atoms are in sp3 configuration. In silicene, the Si atoms are in a mix-sp2/sp3 configu…