316 citations · 1.3k across the 21 of their papers we have counts for
21 papers
Room-Temperature Anisotropic Plasma Mirror and Polarization-Controlled Optical Switch Based on Type-II Weyl Semimetal WP2
Kaixuan Zhang, Yongping Du, Zeming Qi +12
Anisotropy in electronic structures may ignite intriguing anisotropic optical responses, as has been well demonstrated in various systems including superconductors, semiconductors,…
Moiré effects in graphene--hBN heterostructures
Yongping Du, Ning Xu, Xianqing Lin +1
Encapsulating graphene in hexagonal Boron Nitride has several advantages: the highest mobilities reported to date are achieved in this way, and precise nanostructuring of graphene…
Butterfly-like anisotropic magnetoresistance and angle-dependent Berry phase in Type-II Weyl semimetal WP2
Kaixuan Zhang, Yongping Du, Pengdong Wang +12
Weyl semimetal emerges as a new topologically nontrivial phase of matter, hosting low-energy excitations of massless Weyl fermions. Here, we present a comprehensive study of the ty…
Discovery of Intrinsic Ferromagnetic Ferroelectricity in Transition Metal Halides Monolayer
Chengxi Huang, Yongping Du, Haiping Wu +3
The realization of multiferroics in nanostructures, combined with a large electric dipole and ferromagnetic ordering, could lead to new applications, such as high-density multi-sta…
Turning Copper Metal into Weyl Semimetal
Yongping Du, Er-jun Kan, Hu Xu +2
A search for new topological quantum systems is challenging due to the requirement of non{trivial band connectivity that leads to protected surface states of electrons. A progress…
Emergence of Topological Nodal Lines and Type II Weyl Nodes in Strong Spin--Orbit Coupling System InNbX2(X=S,Se)
Yongping Du, Xiangyan Bo, Di Wang +4
Using first--principles density functional calculations, we systematically investigate electronic structures and topological properties of InNbX2 (X=S, Se). In the absence of spin-…
First Principles Study of the Giant Magnetic Anisotropy Energy in Bulk Na4IrO4
Di Wang, Feng Tang, Yongping Du +1
In 5d transition metal oxides, novel properties arise from the interplay of electron correlations and spin--orbit interactions. Na4IrO4, where 5d transition-metal Ir atom occupies…
Realization of Massive Relativistic Spin-3/2 Rarita-Schwinger Quasiparticle in Condensed Matter Systems
Feng Tang, Xi Luo, Yongping Du +2
The spin-3/2 elementary particle, known as Rarita-Schwinger (RS) fermion, is described by a vector-spinor field ψ_{μα}, whose number of components is larger than its independent de…
A Family Group of Two-dimensional Node-Line Semimetals
Yuanjun Jin, Rui Wang, Jinzhu Zhao +5
Using evolutionary algorithm and first-principles calculations, we predict a family group of two-dimensional node-line semimetals MX (M=Pd, Pt; X=S, Se, Te), which has zig-zag type…
Bulk and surface electronic structure of trigonal structured PtBi2 studied by angle-resolved photoemission spectroscopy
Q. Yao, Y. P. Du, X. J. Yang +12
PtBi2 with a layered trigonal crystal structure was recently reported to exhibit an unconventional large linear magnetoresistance, while the mechanism involved is still elusive. Us…
CaTe: a new topological node-line and Dirac semimetal
Yongping Du, Feng Tang, Di Wang +5
Topological semimetals recently stimulate intense research activities. Combining first-principles calculations and effective model analysis, we predict that CaTe is topological nod…
Observation of Fermi Arcs in non-Centrosymmetric Weyl Semi-metal Candidate NbP
D. F. Xu, Y. P. Du, Z. Wang +7
We report the surface electronic structure of niobium phosphide NbP single crystal on (001) surface by vacuum ultraviolet angle-resolved photoemission spectroscopy. Combining with…
A new topological semimetal with iso-energetic Weyl fermions in TaAs under high pressure
Yonghui Zhou, Pengchao Lu, Yongping Du +11
TaAs as one of the experimentally discovered topological Weyl semimetal has attracted intense interests recently. The ambient TaAs has two types of Weyl nodes which are not on the…
Pressure-induced semimetal to superconductor transition in a three-dimensional topological material ZrTe5
Yonghui Zhou, Juefei Wu, Wei Ning +15
As a new type of topological materials, ZrTe5 shows many exotic properties under extreme conditions. Utilizing resistance and ac magnetic susceptibility measurements under high pre…
Dirac and Weyl Semimetal in XYBi (X=Ba, Eu; Y=Cu, Ag and Au)
Yongping Du, Bo Wan, Di Wang +3
Weyl and Dirac semimetals recently stimulate intense research activities due to their novel properties. Combining first-principles calculations and effective model analysis, we pre…
Metallic ferroelectricity induced by anisotropic unscreened coulomb interaction in LiOsO3
H. M. Liu, Y. P. Du, Y. L. Xie +3
As the first well-documented example of the ferroelectric metal, LiOsO3 has received extensive research attention recently. Using density-functional calculations, we perform a syst…
Tunable Magnetic Semiconductor Behavior Driven by Half-Filled One Dimensional Band in Zigzag Phosphorene Nanoribbons
Yongping Du, Huimei Liu, Bo Xu +4
An antiferromagnetic insulating state has been found in the zigzag phosphorene nanoribbons (ZPNRs) from a comprehensive density functional theory calculations. Comparing with other…
Enhanced quantum coherence in graphene caused by Pd cluster deposition
Yuyuan Qin, Junhao Han, Guoping Guo +8
We report on the unexpected increase in the dephasing lengths of a graphene sheet caused by the deposition of Pd nanoclusters, as demonstrated by weak localization measurements. Th…
Electron-Phonon Superconductivity in LaOFBiSe
Yanqing Feng, Hang-Chen Ding, Yongping Du +4
We report density functional calculations of the electronic structure, Fermi surface, phonon spectrum and electron--phonon coupling for newly discovered superconductor LaOF…
Microscopic Mechanism of Stereochemically Active Lone Pair Studied from Orbital Selective External Potential Calculation
Yongping Du, Hang-Chen Ding, Li Sheng +3
The nature of the stereochemically active lone pair has long been in debate. Here, by application of our recently developed orbital selective external potential (OSEP) method, we h…
Electronic structure and magnetic properties of NaOsO
Yongping Du, Xiangang Wan, Li Sheng +2
A comprehensive investigation of the electronic and magnetic properties of NaOsO3 has been made using the first principle calculations, in order to understand the importance of Cou…