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Evidence for Two-dimensional Weyl Fermions in Air-Stable Monolayer PtTe
Zhihao Cai, Haijun Cao, Haohao Sheng +14
The Weyl semimetals represent a distinct category of topological materials wherein the low-energy excitations appear as the long-sought Weyl fermions. Exotic transport and optical…
Atomic-scale Manipulation of Single-Polaron in a Two-Dimensional Semiconductor
Huiru Liu, Aolei Wang, Ping Zhang +9
Polaron is a composite quasiparticle derived from an excess carrier trapped by local lattice distortion, and it has been studied extensively for decades both theoretically and expe…
Universal mechanical exfoliation of large-area 2D crystals
Yuan Huang, Yu-Hao Pan, Rong Yang +27
Two-dimensional (2D) materials provide extraordinary opportunities for exploring phenomena arising in atomically thin crystals. Beginning with the first isolation of graphene, mech…
Experimental realization of graphene-like borophene
Wenbin Li, Longjuan Kong, Caiyun Chen +7
We report a successful preparation of a purely honeycomb, graphene-like borophene, by using an Al(111) surface as the substrate and molecular beam epitaxy (MBE) growth in ultrahigh…
Direct evidences of pentagonal silicon chains and magic clusters
Shaoxiang Sheng, Runze Ma, Jiangbin Wu +11
Pentagon is one of the most beautiful geometric structures in nature, but it is rarely seen simply because five-fold symmetry is mathematically forbidden in a 2D or 3D periodic lat…
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…