171 citations · 1.1k across the 20 of their papers we have counts for
21 papers
Giant and Broadband Circular Dichroism from Particle-Hole Symmetry Breaking in Weyl Semimetals
Xiangyu Jiang, Zeping Shi, Yuhan Du +14
Circular dichroism originates from symmetry breaking of material structure, leading to differential absorption of left- and right-circularly polarized light. However, circular dich…
Magnetic-field-induced nonlinear transport in HfTe5
Cheng Zhang, Jinshan Yang, Zhongbo Yan +8
The interplay of electron correlations and topological phases gives rise to various exotic phenomena including fractionalization, excitonic instability, and axionic excitation. Rec…
The discovery of three-dimensional Van Hove singularity
Wenbin Wu, Zeping Shi, Mykhaylo Ozerov +20
Arising from the extreme/saddle point in electronic bands, Van Hove singularity (VHS) manifests divergent density of states (DOS) and induces various new states of matter such as u…
Giant superlinear power dependence of photocurrent based on layered TaNiS photodetector
Xianghao Meng, Yuhan Du, Wenbin Wu +16
Photodetector based on two-dimensional (2D) materials is an ongoing quest in optoelectronics. These 2D photodetectors are generally efficient at low illuminating power but suffer s…
Topological Lifshitz transition and one-dimensional Weyl mode in HfTe5
Wenbin Wu, Zeping Shi, Yuhan Du +11
Landau band crossings typically stem from the intra-band evolution of electronic states in magnetic fields and enhance the interaction effect in their vicinity. Here in the extreme…
Tunable terahertz plasmons in graphite thin films
Qiaoxia Xing, Chaoyu Song, Chong Wang +10
Tunable terahertz plasmons are essential for reconfigurable photonics, which have been demonstrated in graphene through gating, though with relatively weak responses. Here, we demo…
Plasmons in the van der Waals charge-density-wave material 2H-TaSe2
Chaoyu Song, Xiang Yuan, Ce Huang +11
Plasmons in two-dimensional (2D) materials beyond graphene have recently gained much attention. However, the experimental investigation is limited due to the lack of suitable mater…
Towards the manipulation of topological states of matter: A perspective from electron transport
Cheng Zhang, Hai-Zhou Lu, Shun-Qing Shen +2
The introduction of topological invariants, ranging from insulators to metals, has provided new insights into the traditional classification of electronic states in condensed matte…
Chiral Landau levels in Weyl semimetal NbAs with multiple topological carriers
Xiang Yuan, Zhongbo Yan, Chaoyu Song +21
Recently, Weyl semimetals have been experimentally discovered in both inversion-symmetry-breaking and time-reversal-symmetry-breaking crystals. The non-trivial topology in Weyl sem…
Evidence for pressure-induced node-pair annihilation in Cd3As2
Cheng Zhang, Jianping Sun, Fengliang Liu +12
As an intermediate state in the topological phase diagram, Dirac semimetals are of particular interest as a platform for studying topological phase transitions under external modul…
Evolution of Weyl orbit and quantum Hall effect in Dirac semimetal Cd3As2
Cheng Zhang, Awadhesh Narayan, Shiheng Lu +14
Owing to the coupling between open Fermi arcs on opposite surfaces, topological Dirac semimetals exhibit a new type of cyclotron orbit in the surface states known as Weyl orbit. He…
Arrayed van der Waals Vertical Heterostructures based on 2D GaSe Grown by Molecular Beam Epitaxy
Xiang Yuan, Lei Tang, Shanshan Liu +12
Vertically stacking two dimensional (2D) materials can enable the design of novel electronic and optoelectronic devices and realize complex functionality. However, the fabrication…
Direct observation of Landau level resonance and mass generation in Dirac semimetal Cd3As2 thin films
Xiang Yuan, Peihong Cheng, Longqiang Zhang +11
Three-dimensional topological Dirac semimetals have hitherto stimulated unprecedented research interests as a new class of quantum materials. Breaking certain types of symmetries h…
Scalable Growth of High Mobility Dirac Semimetal Cd3As2 Microbelts
Zhi-Gang Chen, Cheng Zhang, Yichao Zou +4
Three dimensional (3D) Dirac semimetals are 3D analogue of graphene, which display Dirac points with linear dispersion in k-space, stabilized by crystal symmetry. Cd3As2 and Na3Bi…
Room-temperature chiral charge pumping in Dirac semimetals
Cheng Zhang, Enze Zhang, Weiyi Wang +13
Chiral anomaly, a non-conservation of chiral charge pumped by the topological nontrivial gauge fields, has been predicted to exist in Weyl semimetals. However, until now, the exper…
ReS2-based field-effect transistors and photodetectors
Enze Zhang, Yibo Jin, Xiang Yuan +7
Atomically-thin two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have been extensively studied in recent years because of their appealing electrical and optical…
Magnetotransport properties of Cd3As2 nanostructures
Enze Zhang, Yanwen Liu, Weiyi Wang +5
Three-dimensional (3D) topological Dirac semimetal is a new kind of material that has a linear energy dispersion in 3D momentum space and can be viewed as an analog of graphene. Ex…
Wafer-scale arrayed p-n junctions based on few-layer epitaxial GaTe
Xiang Yuan, Lei Tang, Peng Wang +12
Two-dimensional (2D) materials have attracted substantial attention in electronic and optoelectronic applications with superior advantages of being flexible, transparent and highly…
Gate-tunable quantum oscillations in ambipolar Cd3As2 thin films
Yanwen Liu, Cheng Zhang, Xiang Yuan +9
Electrostatic doping in materials can lead to various exciting electronic properties, such as metal-insulator transition and superconductivity, by altering the Fermi level position…
Landau level splitting in Cd3As2 under high magnetic fields
Junzhi Cao, Sihang Liang, Cheng Zhang +13
Three-dimensional topological Dirac semimetals (TDSs) are a new kind of Dirac materials that exhibit linear energy dispersion in the bulk and can be viewed as three-dimensional gra…
Tunable charge-trap memory based on few-layer MoS2
Enze Zhang, Weiyi Wang, Cheng Zhang +6
Charge-trap memory with high-\k dielectric materials is considered to be a promising candidate for next-generation memory devices. Ultrathin layered two-dimensional (2D) materials…