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8 papers · 2 filters
Creating and probing wide-bandgap nanoribbon-like structures in a continuous metallic graphene sheet
Si-Yu Li, Mei Zhou, Jia-Bin Qiao +2
The light-like dispersion of graphene monolayer results in many novel electronic properties in it1, however, this gapless feature also limits the applications of graphene monolayer…
Direct imaging of topological edge states at a bilayer graphene domain wall
Long-Jing Yin, Hua Jiang, Jia-Bin Qiao +1
The AB-BA domain wall in gapped graphene bilayers is a rare naked structure hosting topological electronic states. Here we show, for the first time, direct imaging of its topologic…
Experimental Observation of Surface States and Landau Levels Bending in Bilayer Graphene
Long-Jing Yin, Yu Zhang, Jia-Bin Qiao +2
We report on microscopic measurements of the low-energy electronic structures both at zigzag and armchair edges of bilayer graphene using scanning tunneling microscopy and spectros…
Observation of Valley-polarized Landau Levels in Strained Graphene
Si-Yu Li, Ke-Ke Bai, Long-Jing Yin +3
In strained graphene, lattice deformation can create pseudo-magnetic fields and result in zero-field Landau level-like quantization. In the presence of an external magnetic field,…
Classification of Majorana Fermions in Two-Dimensional Topological Superconductors
Qiu-Bo Cheng, Jing He, Su-Peng Kou
Recently, Majorana Fermions (MFs) have attracted intensive attention due to their exotic statistics and possible applications in topological quantum computation (TQC). They are pro…
Experimental evidence for non-Abelian gauge potentials in twisted graphene bilayers
Long-Jing Yin, Jia-Bin Qiao, Wei-Jie Zuo +2
The methods for realizing of non-Abelian gauge potentials have been proposed in many different systems in condensed matter1-5. The simplest realization among them may be in a graph…