46 citations · 87 across the 15 of their papers we have counts for
15 papers
Polarization Rotation Drives a Spin-Topological Transition in Ferroelectric Bismuth Monolayer
Jinming Zhai, Lingzhi Cao, Yateng Wang +4
Bismuth monolayer is the first two-dimensional elemental ferroelectric and an appealing platform for coupling polar order to spin-orbit-driven topology. However, its microscopic sw…
Hidden Chiral Ferroelectricity in AgNbO Perovskite
Ying Song, Lingzhi Cao, Jinming Zhai +4
AgNbO is a lead-free perovskite with considerable potential for energy storage and optoelectronic applications, yet its low-temperature crystal structure has remained controver…
Majorana Zero Modes and Topological Nature in Bi2Ta3S6-family Superconductors
Yue Xie, Zhilong Yang, Ruihan Zhang +7
In this work, we report that Bi2Ta3S6-family superconductors exhibit nontrivial band topology. They possess a natural quantum-well structure consisting of alternating stacks of TaS…
Growth and hydrostatic-pressure study of a type-II superconductor BiTaS single crystal
Li Chenglin, Yang Yaling, Yang Zhilong +9
We report the growth and physical properties of single-crystalline BiTaS crystallizing in space group, which comprises alternating Ta-S layers and Bi layers…
Strong Intra- and Interchain Orbital Coupling Leads to Multiband and High Thermoelectric Performance in NaAu ( = P, As, Sb, and Bi)
Zhonghao Xia, Zhilong Yang, Yali Yang +2
The intrinsic coupling among electrical conductivity (), Seebeck coefficient (), and lattice thermal conductivity () imposes a fundamental limit on the dimens…
Synergetic Enhancement of Power Factors and Suppression of Lattice Thermal Conductivities via Biaxial Strain in ScAgSe and TmAgTe
Wu Xiong, Zhongjuan Han, Zhonghao Xia +2
The challenge of achieving high thermoelectric (TE) performance is mainly from the entanglement among Seebeck coefficient (), electrical conductivity (), and lattice thermal…
Hidden Moiré Topology of Low-Symmetry Weyl Surfaces
Cong Li, Zhilong Yang, Hongxiong Liu +11
Topological materials are defined by the correspondence between bulk topology and boundary states, yet this correspondence becomes enigmatic on low-symmetry surfaces where bulk and…
Forbidden p-d Orbital Coupling Accelerates High-Power-Factor Materials Discovery
Wu Xiong, Zhongjuan Han, Zhonghao Xia +2
The intrinsic entanglement between electrical conductivity () and the Seebeck coefficient () significantly constrains power factor (PF) enhancement in thermoelectric (TE) mat…
Vanadium-Based Superconductivity in a Breathing Kagome Compound Ta2V3.1Si0.9
HongXiong Liu, JingYu Yao, JianMin Shi +8
Superconductivity in V-based kagome metals has recently raised great interest as they exhibit the competing ground states associated with the flat bands and topological electronic…
Superconductivity in unconventional metals
Zhilong Yang, Haohao Sheng, Zhaopeng Guo +5
Based on first-principles calculations, we demonstrate that 1H/2H-phase transition metal dichalcogenides MX2 (M=Nb,Ta; X=S,Se,Te) are unconventional metals, which have an empty-sit…
Unconventional phonon spectra and obstructed edge phonon modes
Ruihan Zhang, Haohao Sheng, Junze Deng +3
Based on the elementary band representations (EBR), some topologically trivial materials are classified as unconventional ones (obstructed atomic limit), where the EBR decompositio…
Direct Visualization and Manipulation of Tunable Quantum Well State in Semiconducting Nb2SiTe4
Jing Zhang, Zhilong Yang, Shuai Liu +12
Quantum well states (QWSs) can form at the surface or interfaces of materials with confinement potential. They have broad applications in electronic and optical devices such as hig…
A programmable Hamiltonian method and application to magnetic topological insulator MnBiTe
Guohui Zhan, Minji Shi, Zhilong Yang +1
In the band theory, first-principles calculations, the tight-binding method and the effective model are usually employed to investigate the electronic structure of conde…
Nonlinear Hall Effect in Antiferromagnetic Half-Heusler Materials
Cheng Chen, Huaiqiang Wang, Zhilong Yang +1
It has recently been demonstrated that various topological states, including Dirac, Weyl, nodal-line, and triple-point semimetal phases, can emerge in antiferromagnetic (AFM) half-…
Dynamical axion state with hidden pseudospin Chern numbers in MnBiTe-based heterostructures
Huaiqiang Wang, Dinghui Wang, Zhilong Yang +5
Axion is a hypothetical elementary particle which was initially postulated to solve the charge conjugation-parity problem in particle physics. Interestingly, the axion state has em…