221 citations · 1.4k across the 22 of their papers we have counts for
23 papers
Memristive switching in the surface of a charge-density-wave topological semimetal
Jianwen Ma, Xianghao Meng, Binhua Zhang +20
Owing to the outstanding properties provided by nontrivial band topology, topological phases of matter are considered as a promising platform towards low-dissipation electronics, e…
Observation of quantum oscillations near the Mott-Ioffe-Regel limit in CaAs3
Yuxiang Wang, Minhao Zhao, Jinglei Zhang +24
The Mott-Ioffe-Regel limit sets the lower bound of carrier mean free path for coherent quasiparticle transport. Metallicity beyond this limit is of great interest because it is oft…
Acousto-drag photovoltaic effect by piezoelectric integration of two-dimensional semiconductors
Jiaming Gu, Yicheng Mou, Jianwen Ma +11
Light-to-electricity conversion is crucial for energy harvesting and photodetection, requesting efficient electron-hole pair separation to prevent recombination. Traditional juncti…
Surface skyrmions and dual topological Hall effect in antiferromagnetic topological insulator EuCdAs
Min Wu, R. Yang, Xiangde Zhu +17
In this work, we synthesized single crystal of EuCdAs, which exhibits A-type antiferromagnetic (AFM) order with in-plane spin orientation below = 9.5~K.Optical spectr…
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…
Absence of metallicity and bias-dependent resistivity in low-carrier-density EuCd2As2
Yuxiang Wang, Jianwen Ma, Jian Yuan +10
EuCd2As2 was theoretically predicted to be a minimal model of Weyl semimetals with a single pair of Weyl points in the ferromagnet state. However, the heavily p-doped EuCd2As2 crys…
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…
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…
A High-Performance Mid-infrared Optical Switch Enabled by Bulk Dirac Fermions in Cd3As2
Chunhui Zhu, Fengqiu Wang, Yafei Meng +11
Pulsed lasers operating in the 2-5 μm band are important for a wide range of applications in sensing, spectroscopy, imaging and communications. Despite recent advances with mid-inf…
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…
Observation of quasi-two-dimensional Dirac fermions in ZrTe5
Xiang Yuan, Cheng Zhang, Yanwen Liu +11
Since the discovery of graphene, layered materials have attracted extensive interests owing to their unique electronic and optical characteristics. Among them, Dirac semimetal, one…
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…
Spin-valve Effect in NiFe/MoS2/NiFe Junctions
Weiyi Wang, Awadhesh Narayan, Lei Tang +8
Two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have been recently proposed as appealing candidate materials for spintronic applications owing to their distinc…
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…