349 citations · 4.7k across the 77 of their papers we have counts for
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Nodal surface semimetals: Theory and material realization
Weikang Wu, Ying Liu, Si Li +5
We theoretically study the three-dimensional topological semimetals with nodal surfaces protected by crystalline symmetries. Different from the well-known nodal-point and nodal-lin…
From Type-II Triply Degenerate Nodal Points and Three-Band Nodal Rings to Type-II Dirac Points in Centrosymmetric Zirconium Oxide
Ting-Ting Zhang, Zhi-Ming Yu, Wei Guo +3
Using first-principles calculations, we report that ZrO is a topological material with the coexistence of three pairs of type-II triply degenerate nodal points (TNPs) and three nod…
Trigonal warping induced terraced spin texture and nearly perfect spin polarization in graphene with Rashba effect
Da-Shuai Ma, Zhi-Ming Yu, Hui Pan +1
Electrical tunability of spin polarization has been a focus in spintronics. Here, we report that the trigonal warping (TW) effect, together with spin-orbit coupling (SOC), can lead…
Nonsymmorphic-symmetry-protected hourglass Dirac loop, nodal line, and Dirac point in bulk and monolayer SiTe ( Ta, Nb)
Si Li, Ying Liu, Shan-Shan Wang +5
Nonsymmorphic space group symmetries can generate exotic band-crossings in topological metals and semimetals. Here, based on symmetry analysis and first-principles calculations, we…
Unconventional pairing induced anomalous transverse shift in Andreev reflection
Zhi-Ming Yu, Ying Liu, Yugui Yao +1
Superconductors with unconventional pairings have been a fascinating subject of research, for which a central issue is to explore effects that can be used to characterize the pairi…
Hybrid Dirac Semimetal in CaAgBi Materials Family
Cong Chen, Shan-Shan Wang, Lei Liu +4
Based on their formation mechanisms, Dirac points in three-dimensional systems can be classified as accidental or essential. The former can be further distinguished into type-I and…
Transverse Shift in Andreev Reflection
Ying Liu, Zhi-Ming Yu, Shengyuan A. Yang
An incoming electron is reflected back as a hole at a normal-metal-superconductor interface, a process known as Andreev reflection. We predict that there exists a universal transve…
Three-dimensional Pentagon Carbon with a genesis of emergent fermions
Chengyong Zhong, Yuanping Chen, Zhi-Ming Yu +4
Carbon, the basic building block of our universe, enjoys a vast number of allotropic structures. Owing to its bonding characteristic, most carbon allotropes possess the motif of he…
Two-dimensional Spin-Orbit Dirac Point in Monolayer HfGeTe
Shan Guan, Ying Liu, Zhi-Ming Yu +3
Dirac points in two-dimensional (2D) materials have been a fascinating subject of research, with graphene as the most prominent example. However, the Dirac points in existing 2D ma…
Hourglass Dirac Chain Metal in Rhenium Dioxide
Shan-Shan Wang, Ying Liu, Zhi-Ming Yu +2
Nonsymmorphic symmetries, which involve fractional lattice translations in crystalline materials, can generate exotic types of fermionic excitations that are robust against spin-or…
Type-II nodal loops: theory and material realization
Si Li, Zhi-Ming Yu, Ying Liu +5
Nodal loop appears when two bands, typically one electron-like and one hole-like, are crossing each other linearly along a one-dimensional manifold in the reciprocal space. Here we…
Coexistence of four-band nodal rings and triply-degenerate nodal points in centrosymmetric metal diborides
Xiaoming Zhang, Zhi-Ming Yu, Xian-Lei Sheng +2
Topological metals with protected band-crossing points have been attracting great interest. Here we report novel topological band features in a family of metal diboride materials.…
-Orbital Topological Insulator and Semimetal in Antifluorite CuS Family: Contrasting Spin Helicities, Nodal Box, and Hybrid Surface States
Xian-Lei Sheng, Zhi-Ming Yu, Rui Yu +2
We reveal a class of three-dimensional -orbital topological materials in the antifluorite CuS family. Derived from the unique properties of low-energy states, their…