686 citations · 13.6k across the 184 of their papers we have counts for
18 papers · 1 filter
Super-Andreev reflection and longitudinal shift of pseudospin-one fermions
Xiaolong Feng, Ying Liu, Zhi-Ming Yu +4
Novel fermions with a pseudospin-1 structure can be realized as emergent quasiparticles in condensed matter systems. Here, we investigate its unusual properties during the Andreev…
Higher-order Dirac fermions in three dimensions
Weikang Wu, Zhi-Ming Yu, Xiaoting Zhou +2
Relativistic massless Weyl and Dirac fermions exhibit the isotropic and linear dispersion relations to preserve the Poincaré symmetry, the most fundamental symmetry in high energy…
Layer engineered interlayer excitons
Qinghai Tan, Abdullah Rasmita, Si Li +6
Photoluminescence (PL) from excitons serves as a powerful tool to characterize the optoelectronic property and band structure of semiconductors, especially for atomically thin 2D t…
Directional massless Dirac fermions in a layered van der Waals material with one-dimensional long-range order
T. Y. Yang, Q. Wan, D. Y. Yan +13
Exotic properties in single or few layers of van der Waals materials carry great promise for applications in nanoscaled electronics, optoelectronics and flexible devices. The estab…
Two-dimensional antiferromagnetic Dirac fermions in monolayer TaCoTe
Si Li, Ying Liu, Zhi-Ming Yu +5
Dirac point in two-dimensional (2D) materials has been a fascinating subject of research. Recently, it has been theoretically predicted that Dirac point may also be stabilized in 2…
Grapheayne: a class of low-energy carbon allotropes with diverse optoelectronic and topological properties
Yan Gao, Chengyong Zhong, Shengyuan A. Yang +2
A series of carbon allotropes with novel optoelectronic and rich topological properties is predicted by systematic first-principles calculations. These fascinating carbon allotrope…
Realisation of Symmetry Enforced Two-Dimensional Dirac Fermions in Nonsymmorphic -Bismuthene
Pawel J. Kowalczyk, Simon A. Brown, Tobias Maerkl +11
Two-dimensional (2D) Dirac-like electron gases have attracted tremendous research interest ever since the discovery of free-standing graphene. The linear energy dispersion and non-…
Theory of phonon side jump contribution in Anomalous Hall transport
Cong Xiao, Ying Liu, Ming Xie +2
The role of electron-phonon scattering in finite-temperature anomalous Hall effect is still poorly understood. In this work, we present a Boltzmann theory for the side-jump contrib…
Two-dimensional honeycomb borophene oxide: A promising anode material offering super high capacity for Li/Na-ion batteries
Junping Hu, Chengyong Zhong, Weikang Wu +4
Rational design of novel two-dimensional (2D) electrode materials with high capacity is crucial for the further development of Li-ion and Na-ion batteries. Herein, based on first-p…
Composite Dirac Semimetal
Ziming Zhu, Zhi-Ming Yu, Weikang Wu +4
Weak topological insulators and Dirac semimetals are gapped and nodal phases with distinct topological properties, respectively. Here, we propose a novel topological phase that exh…
Valley-Layer Coupling: A New Design Principle for Valleytronics
Zhi-Ming Yu, Shan Guan, Xian-Lei Sheng +2
We introduce the concept of valley-layer coupling (VLC) in two-dimensional materials, where the low-energy electronic states in the emergent valleys have valley-contrasted layer po…
Two-dimensional second-order topological insulator in graphdiyne
Xian-Lei Sheng, Cong Chen, Huiying Liu +4
A second-order topological insulator (SOTI) in spatial dimensions features topologically protected gapless states at its -dimensional boundary at the intersection of two…
Circumventing the no-go theorem: A single Weyl point surrounded by nodal walls
Zhi-Ming Yu, Weikang Wu, Y. X. Zhao +1
Despite of a rapidly expanding inventory of possible crystalline Weyl semimetals, all of them are constrained by the Nielsen-Ninomiya no-go theorem, namely, that left- and right-ha…
Two-dimensional Weyl Half Semimetal and Tunable Quantum Anomalous Hall Effect in Monolayer PtCl
Jing-Yang You, Cong Chen, Zhen Zhang +3
We propose a new topological quantum state of matter---the two-dimensional (2D) Weyl half semimetal (WHS), which features 2D Weyl points at Fermi level belonging to a single spin c…
Two-dimensional nodal-loop half metal in monolayer MnN
Shan-Shan Wang, Zhi-Ming Yu, Ying Liu +4
Two-dimensional (2D) materials with nodal-loop band crossing have been attracting great research interest. However, it remains a challenge to find 2D nodal loops that are robust ag…
Hourglass Weyl loops in two dimensions: Theory and material realization in monolayer GaTeI family
Weikang Wu, Yalong Jiao, Si Li +3
Nodal loops in two-dimensional (2D) systems are typically vulnerable against spin-orbit coupling (SOC). Here, we explore 2D systems with a type of doubly degenerate nodal loops tha…
Hexagonal supertetrahedral boron: A topological metal with multiple spin-orbit-free emergent fermions
Yan Gao, Weikang Wu, Peng-Jie Guo +4
We predict a new three-dimensional (3D) boron allotrope based on systematic first-principles electronic structure calculations. This allotrope can be derived by substituting each c…
Anomalous spatial shifts in interface electronic scattering
Zhi-Ming Yu, Ying Liu, Shengyuan A. Yang
The anomalous spatial shifts at interface scattering, first studied in geometric optics, recently found their counterparts in the electronic context. It was shown that both longitu…