63 citations · 291 across the 15 of their papers we have counts for
15 papers
Multiple quantum spin Hall states and topological current divider in Twisted Bilayer WSe
Hao He, Zhao Gong, Shuai Li +3
It has been demonstrated that topological quantum spin Hall (QSH) state exist in twisted bilayers of transition metal dichalcogenides. However, a comprehensive theoretical characte…
Layer-dependent transport properties in the Moiré of strained homobilayer transition metal dichalcogenides
Chao-Jie Ren, Zhao Gong, Hui-Ying Mu +3
Bilayer moiré structures have attracted significant attention recently due to their spatially modulated layer degrees of freedom. However, the layer-dependent transport mechanism i…
Spin-polarized transport properties in magnetic moiré superlattices
Zhao Gong, Qing-Qing Zhang, Hui-Ying Mu +2
Since the discovery of the fascinating properties in magic-angle graphene, the exploration of moiré systems in other two-dimensional materials has garnered significant attention an…
Valley-resolved Fano resonance in monolayer transition metal dichalcogenides nanoribbons with attached stubs
Hui-Ying Mu, Nie-Wei Wang, Ying-Na Du +2
Valley degree of freedom besides spin is a promising candidate as a carrier of information. Spintronics has come a long way and spin modulation can be realized by quantum interfere…
Valley-selective Klein tunneling through superlattice barrier in graphene
Xing-Tao An, Wang Yao
Graphene electrons feature a pair of massless Dirac cones of opposite pseudospin chirality at two valleys. Klein tunneling refers to the intriguing capability of these chiral elect…
Valley and spin pump by scattering at non-magnetic disorders
Xing-Tao An, Jiang Xiao, M. W. -Y. Tu +3
In solid, the crystalline structure can endow electron an internal degree of freedom known as valley, which characterizes the degenerate energy minima in momentum space. The recent…
The Coexistence and Decoupling of Bulk and Edge States in Disordered Two-dimensional Topological Insulators
Yan-Yang Zhang, Man Shen, Xing-Tao An +4
We investigate the scattering and localization properties of edge and bulk states in a disordered two-dimensional topological insulator when they coexist at the same fermi energy.…
Photon assisted tunneling through three quantum dots with spin-orbit-coupling
Han-Zhao Tang, Xing-Tao An, Ai-Kun Wang +1
The effect of an ac electric field on quantum transport properties in a system of three quantum dots, two of which are connected in parallel while the third is coupled to one of th…
Valley polarization in graphene-silicene-graphene heterojunction
Man Shen, Yan-Yang Zhang, Xing-Tao An +2
Considering the difference of energy bands in graphene and silicene, we put forward a new model of the graphene-silicene-graphene (GSG) heterojunction. In the GSG, we study the val…
Ferromagnetic barrier induced negative differential conductance on the surface of a topological insulator
Xing-Tao An
We theoretically investigate the effect of the negative differential conductance of a ferromagnetic barrier on the surface of a topological insulator. Due to the changes of the sha…
Interplay between edge and bulk states in silicene nanoribbon
Xing-Tao An, Yan-Yang Zhang, Jian-Jun Liu +1
We investigate the interplay between the edge and bulk states, induced by the Rashba spin-orbit coupling, in a zigzag silicene nanoribbon in the presence of an external electric fi…
Electron Delocalization in Gate-Tunable Gapless Silicene
Yan-Yang Zhang, Wei-Feng Tsai, Kai Chang +4
The application of a perpendicular electric field can drive silicene into a gapless state, characterized by two nearly fully spin-polarized Dirac cones owing to both relatively lar…
Quantum spin Hall effect induced by electric field in silicene
Xing-Tao An, Yan-Yang Zhang, Jian-Jun Liu +1
We investigate the transport properties in a zigzag silicene nanoribbon in the presence of an external electric field. The staggered sublattice potential and two kinds of Rashba sp…
Spin-polarized current induced by a local exchange field in a silicene nanoribbon
Xing-Tao An, Yan-Yang Zhang, Jian-Jun Liu +1
A mechanism to generate a spin-polarized current in a two-terminal zigzag silicene nanoribbon is predicted. As a weak local exchange field that is parallel to the surface of silice…
Pure spin current in a two-dimensional topological insulator
Xing-Tao An, Yan-Yang Zhang, Jian-Jun Liu +1
We predict a mechanism to generate a pure spin current in a two-dimensional topological insulator. As the magnetic impurities exist on one of edges of the two-dimensional topologic…