513 citations · 1.1k across the 10 of their papers we have counts for
10 papers
Probing strong interactions in p-type few-layer WSe by density-dependent Landau level crossing
Shuigang Xu, Liheng An, Jiangxiazi Lin +7
Atomically thin transition metal dichalcogenides (TMDCs) such as MoS and WSe are emerging as a new platform for exploring many-body effects. Coulomb interactions are marked…
Odd-integer quantum Hall states and giant spin susceptibility in p-type few-layer WSe2
Shuigang Xu, Junying Shen, Gen Long +17
We fabricate high-mobility p-type few-layer WSe2 field-effect transistors and surprisingly observe a series of quantum Hall (QH) states following an unconventional sequence predomi…
Probing the Electronic States in Black Phosphorus Vertical Heterostructures
Xiaolong Chen, Lin Wang, Yingying Wu +14
Atomically thin black phosphorus (BP) is a promising two-dimensional material for fabricating electronic and optoelectronic nano-devices with high mobility and tunable bandgap stru…
Observation of Valley Zeeman and Quantum Hall Effects at Q Valley of Few-Layer Transition Metal Disulfides
Zefei Wu, Shuigang Xu, Huanhuan Lu +10
In few-layer (FL) transition metal dichalcogenides (TMDC), the conduction bands along the Gamma-K directions shift downward energetically in the presence of interlayer interactions…
Negative Compressibility in Graphene-terminated Black Phosphorus Heterostructures
Yingying Wu, Xiaolong Chen, Zefei Wu +7
Negative compressibility generated by many-body effects in 2D electronic systems can enhance gate capacitance. We observe capacitance enhancement in a newly emerged 2D layered mate…
Universal low-temperature Ohmic contacts for quantum transport in transition metal dichalcogenides
Shuigang Xu, Zefei Wu, Huanhuan Lu +14
Low carrier mobility and high electrical contact resistance are two major obstacles prohibiting explorations of quantum transport in TMDCs. Here, we demonstrate an effective method…
High quality sandwiched black phosphorus heterostructure and its quantum oscillations
Xiaolong Chen, Yingying Wu, Zefei Wu +8
Two-dimensional (2D) materials, such as graphene and transition metal dichalcogenides have attracted great attention because of the rich physics and potential applications in next-…
Detection of Interlayer Interaction in Few-layer Graphene through Landau Level Spectroscopy
Zefei Wu, Yu Han, Wei Zhu +12
We demonstrate that surface relaxation, which is insignificant in trilayer graphene, starts to manifest in Bernal-stacked tetralayer graphene. Bernal-stacked few-layer graphene has…
High-Quality BN-Graphene-BN Nanoribbon Capacitors Modulated by Graphene Side-gate Electrodes
Yang Wang, Xiaolong Chen, Weiguang Ye +6
High-quality BN-Graphene-BN nanoribbon capacitors with double side-gates of graphene are experimentally realized. Graphene electronic properties can be significantly modulated by t…
Probing the Electron States and Metal-Insulator Transition Mechanisms in Atomically Thin MoS2 Based on Vertical Heterostructures
Xiaolong Chen, Zefei Wu, Shuigang Xu +12
The metal-insulator transition (MIT) is one of the remarkable electrical transport properties of atomically thin molybdenum disulphide (MoS2). Although the theory of electron-elect…