192 citations · 689 across the 16 of their papers we have counts for
16 papers
Two-dimensional half Chern-Weyl semimetal with multiple screw axes
Wei Xu, Jiawei Yi, Hao Huan +3
Half topological states of matter and two-dimensional (2D) magnetism have gained much attention recently. In this paper, we propose a special topological semimetal phase called a 2…
Quantum Spin-Valley Hall Kink States: From Concept to Materials Design
Tong Zhou, Shuguang Cheng, Michael Schleenvoigt +4
We propose a general and tunable platform to realize high-density arrays of quantum spin-valley Hall kink (QSVHK) states with spin-valley-momentum locking based on a two-dimensiona…
Intrinsic topological phases in MnBiTe tuned by the layer magnetization
Yue Li, Yadong Jiang, Jinlong Zhang +3
The interplay between band topology and magnetic order could generate a variety of time-reversal-breaking gapped topological phases with exotic topological quantization phenomena,…
Novel Chern insulators with half-metallic edge states
Yang Xue, Bao Zhao, Yan Zhu +5
The central target of spintronics research is to achieve flexible control of highly efficient and spin-polarized electronic currents. Based on first-principles calculations and k-p…
Engineering Topological quantum dot through planar magnetization in bismuthene
Jiaojiao Zhou, Tong Zhou, Shu-guang Cheng +2
The discovery of quantum spin Hall materials with huge bulk gaps in experiment, such as bismuthene, provides a versatile platform for topological devices. We propose a topological…
Origin of topologically trivial states and topological phase transitions in low-buckled plumbene
Yue Li, Jiayong Zhang, Bao Zhao +2
Combining tight-binding (TB) models with first-principles calculations, we investigate electronic and topological properties of plumbene. Different from the other two-dimensional (…
Giant Spin-valley Polarization and Multiple Hall Effect in Functionalized Bi Monolayers
Tong Zhou, Jiayong Zhang, Hua Jiang +2
Valleytronic materials, characterized by local extrema (valley) in their bands, and topological insulators have separately attracted great interest recently. However, the interplay…
Strong magnetization and Chern insulators in compressed graphene/CrI van der Waals heterostructures
Jiayong Zhang, Bao Zhao, Tong Zhou +3
Graphene-based heterostructures are a promising material system for designing the topologically nontrivial Chern insulating devices. Recently, a two-dimensional (2D) monolayer ferr…
Coupling effect of topological states and Chern insulators in two-dimensional triangular lattices
Jiayong Zhang, Bao Zhao, Yang Xue +2
We investigate topological states of two-dimensional (2D) triangular lattices with multi-orbitals. Tight-binding model calculations of a 2D triangular lattice based on $\emph{p}_{x…
Chern insulators without band inversion in MoS2 monolayers with 3d adatoms
Xinyuan Wei, Bao Zhao, Jiayong Zhang +3
Electronic and topological properties of MoS2 monolayers endowed with 3d transition metal (TM) adatoms (V-Fe) are explored by using ab initio methods and k.p models. Without the co…
Quantum Spin-quantum Anomalous Hall Effect with Tunable Edge States in Sb Monolayer-based Heterostructures
Tong Zhou, Jiayong Zhang, Yang Xue +4
A novel topological insulator with tunable edge states, called quantum spin-quantum anomalous Hall (QSQAH) insulator, is predicted in a heterostructure of a hydrogenated Sb (SbH) m…
Enhanced Thermoelectric Properties of Dirac Semimetal Cd3As2
Tong Zhou, Cheng Zhang, Huisheng Zhang +2
We report an investigation of temperature- and doping-dependent thermoelectric behaviors of topological semimetal Cd3As2. The electrical conductivity, thermal conductivity, Seebeck…
Density-functional studies of spin-orbit splitting in graphene on metals
Z. Y. Li, S. Qiao, Z. Q. Yang +1
Spin-orbit splitting in graphene on Ni, Au, or Ag (111) substrates was examined on the basis of density-functional theory. Graphene grown on the three metals was found to have Rash…
Electronic and magnetic properties of bilayer graphene with intercalated adsorption atoms C, N and O
S. J. Gong, W. Sheng, Z. Q. Yang +1
We present an ab-initio density function theory to investigate the electronic and magnetic structures of the bilayer graphene with intercalated atoms C, N, and O. The intercalated…
Ab-initio electronic and magnetic structure in La_0.66Sr_0.33MnO_3: strain and correlation effects
Chunlan Ma, Zhongqin Yang, Silvia Picozzi
The effects of tetragonal strain on electronic and magnetic properties of strontium-doped lanthanum manganite, La_{2/3}Sr_{1/3}MnO_3 (LSMO), are investigated by means of density-fu…
Nonlinear current-induced forces in Si atomic wires
Zhongqin Yang, Massimiliano Di Ventra
We report first-principles calculations of current-induced forces in Si atomic wires as a function of bias and wire length. We find that these forces are strongly nonlinear as a fu…