225 citations · 1.6k across the 38 of their papers we have counts for
38 papers
Heteromoiré Engineering on Magnetic Bloch Transport in Twisted Graphene Superlattices
Fanrong Lin, Jiabin Qiao, Junye Huang +10
Localized electrons subject to applied magnetic fields can restart to propagate freely through the lattice in delocalized magnetic Bloch states (MBSs) when the lattice periodicity…
Temperature-sensitive spatial distribution of defects in PdSe2 flakes
Xiaowei Liu, Yaojia Wang, Qiqi Guo +20
Defect engineering plays an important role in tailoring the electronic transport properties of van der Waals materials. However, it is usually achieved through tuning the type and…
Robust two-dimensional ice on graphene built from finite-length water molecular chains
Sheng Han, Jia-Bin Qiao, Lin-Fang Hou +7
Interfacial ice on graphene has attracted much attention because it is a model system to study two-dimensional (2D) ice structures on chemically inert substrates. While water-graph…
Scanning tunneling microscope characterizations of a circular graphene resonator realized with p-p junctions
Ya-Ning Ren, Jiao-Jiao Zhou, Zhong-Qiu Fu +11
Using low-temperature high-magnetic-field scanning tunneling microscopy and spectroscopy (STM/STS), we systematically study a graphene quantum dot (GQD) defined by a circular graph…
Relativistic Artificial Molecules Realized by Two Coupled Graphene Quantum Dots
Zhong-Qiu Fu, Yue-Ting Pan, Jiao-Jiao Zhou +6
Coupled quantum dots (QDs), usually referred to as artificial molecules, are important not only in exploring fundamental physics of coupled quantum objects, but also in realizing a…
Magnetism near half-filling of a van Hove singularity in twisted graphene bilayer
Yi-Wen Liu, Jia-Bin Qiao, Chao Yan +3
Twisted graphene bilayers (TGBs) have low-energy van Hove singularities (VHSs) that are strongly localized around AA-stacked regions of the moire pattern. Therefore, they exhibit n…
Two-dimensional spinodal interface in one-step grown graphene-molybdenum carbide heterostructures
Jia-Bin Qiao, Yue Gong, Haiwen Liu +3
Heterostructures made by stacking different materials on top of each other are expected to exhibit unusual properties and new phenomena. Interface of the heterostructures plays a v…
Heterostrain engineering on twisted graphene bilayer around the first magic angle
Jia-Bin Qiao, Long-Jing Yin, Lin He
Very recently, twisted graphene bilayer (TGB) around the first magic angle 1.1° has attracted much attention for the realization of exotic quantum states, such as correlated insula…
High-resolution Tunneling Spectroscopy of ABA-stacked Trilayer Graphene
Yu Zhang, Jia-Bin Qiao, Long-Jing Yin +1
ABA-stacked trilayer graphene (TLG), the simplest system consisting of both massless and massive Dirac fermions, is expected to exhibit many interesting broken-symmetry quantum Hal…
Spatial Confinement, Magnetic Localization and Their Interactions on Massless Dirac Fermions
Zhong-Qiu Fu, Yu Zhang, Jia-Bin Qiao +8
It is of keen interest to researchers understanding different approaches to confine massless Dirac fermions in graphene, which is also a central problem in making electronic device…
Segregation growth and self-organization of ordered S atomic superlattices confined at interface between graphene and substrates
Dong-Lin Ma, Zhong-Qiu Fu, Ke-Ke Bai +7
Ordered atomic-scale superlattices on surface hold great interest both for basic science and for potential applications in advanced technology. However, controlled fabrication of s…
Magnetic-field-controlled negative differential conductance in graphene npn junction resonators
Si-Yu Li, Haiwen Liu, Jia-Bin Qiao +2
Negative differential conductance (NDC), characterized by the decreasing current with increasing voltage, has attracted continuous attention for its various novel applications. The…
Scanning tunneling microscopy and spectroscopy of twisted trilayer graphene
Wei-Jie Zuo, Jia-Bin Qiao, Dong-Lin Ma +5
Twist, as a simple and unique degree of freedom, could lead to enormous novel quantum phenomena in bilayer graphene. A small rotation angle introduces low-energy van Hove singulari…
The tunnelling spectra of quasi-free-standing graphene monolayer
Si-Yu Li, Ke-Ke Bai, Wei-Jie Zuo +7
With considering the great success of scanning tunnelling microscopy (STM) studies of graphene in the past few years, it is quite surprising to notice that there is still a fundame…
Generating nanoscale and atomically-sharp p-n junctions in graphene via monolayer-vacancy-island engineering of Cu surface
Ke-Ke Bai, Jiao-Jiao Zhou, Yi-Cong Wei +5
Creation of high quality p-n junctions in graphene monolayer is vital in studying many exotic phenomena of massless Dirac fermions. However, even with the fast progress of graphene…
One-step synthesis of van der Waals heterostructures of graphene and 2D superconducting a-Mo2C
Jia-Bin Qiao, Yue Gong, Wei-Jie Zuo +8
Assembling different two-dimensional (2D) crystals, covering a very broad range of properties, into van der Waals (vdW) heterostructures enables the unprecedented possibilities for…
Massless Dirac Fermions Trapping in a Quasi-one-dimensional npn Junction of a Continuous Graphene Monolayer
Ke-Ke Bai, Jia-Bin Qiao, Hua Jiang +2
Massless Dirac fermions in graphene provide unprecedented opportunities to realize the Klein paradox, which is one of the most exotic and striking properties of relativistic partic…
Bound States in Nanoscale Graphene Quantum Dots in a Continuous Graphene Sheet
Jia-Bin Qiao, Hua Jiang, Haiwen Liu +4
Considerable efforts have been made to trap massless Dirac fermions in graphene monolayer, but only quasi-bound states are realized in continuous graphene sheets up to now. Here, w…
Direct experimental evidence of pi magnetism of a single atomic vacancy in graphene
Yu Zhang, Si-Yu Li, Wen-Tian Li +4
The pristine graphene is strongly diamagnetic. However, graphene with single carbon atom defects could exhibit paramagnetism with local magnetic moments ~ 1.5 per vacancy1-6. Theor…
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…
Spatial variation of energy gap and Landau levels around gapped bilayer graphene domain walls
Long-Jing, Si-Yu Li, Jia-Bin Qiao +2
Bilayer graphene contains, compared to graphene monolayer, an additional graphene sheet and, therefore, extra degrees of freedom, making it a unique system for complex electronic s…
Detecting giant electron-hole asymmetry in graphene monolayer generated by strain and charged-defect scattering via Landau level spectroscopy
Ke-Ke Bai, Yi-Cong Wei, Jia-Bin Qiao +5
The electron-hole symmetry in graphene monolayer, which is analogous to the inherent symmetric structure between electrons and positrons of the Universe, plays a crucial role in th…