Weyl, Dirac and high-fold chiral fermions in topological quantum matter

MZ Hasan, G Chang, I Belopolski, G Bian… - Nature Reviews …, 2021 - nature.com
Quantum materials hosting Weyl fermions have opened a new era of research in condensed
matter physics. First proposed in 1929 in the context of particle physics, Weyl fermions have …

The optical properties and plasmonics of anisotropic 2D materials

C Wang, G Zhang, S Huang, Y Xie… - Advanced Optical …, 2020 - Wiley Online Library
In the fast growing 2D materials family, anisotropic 2D materials, with their intrinsic in‐plane
anisotropy, exhibit a great potential in optoelectronics. One such typical material is black …

Type-II nodal loops: Theory and material realization

S Li, ZM Yu, Y Liu, S Guan, SS Wang, X Zhang, Y Yao… - Physical Review B, 2017 - APS
A nodal loop appears when two bands, typically one electronlike and one holelike, are
crossing each other linearly along a one-dimensional manifold in reciprocal space. Here, we …

Anisotropic Broadband Photoresponse of Layered Type‐II Weyl Semimetal MoTe2

J Lai, X Liu, J Ma, Q Wang, K Zhang, X Ren… - Advanced …, 2018 - Wiley Online Library
Photodetectors based on Weyl semimetal promise extreme performance in terms of highly
sensitive, broadband and self‐powered operation owing to its extraordinary material …

Broadband Anisotropic Photoresponse of the “Hydrogen Atom” Version Type-II Weyl Semimetal Candidate TaIrTe4

J Lai, Y Liu, J Ma, X Zhuo, Y Peng, W Lu, Z Liu… - ACS …, 2018 - ACS Publications
The layered ternary compound TaIrTe4 is an important candidate to host the recently
predicted type-II Weyl Fermions that break Lorentz invariance. Photodetectors based on …

Experimental realization of type-II Weyl state in noncentrosymmetric

E Haubold, K Koepernik, D Efremov, S Khim… - Physical Review B, 2017 - APS
We present experimental evidence for a type-II noncentrosymmetric Weyl state in TaIrTe 4
where it has been recently predicted theoretically. We find direct correspondence between …

Ideal fully spin-polarized type-II nodal line state in half-metals X2YZ4 (X= K, Cs, Rb, YCr, Cu, Z= Cl, F)

T He, X Zhang, L Wang, Y Liu, X Dai, L Wang… - Materials Today …, 2021 - Elsevier
Lorentz-violating type-II nodal lines exhibit attracting physical properties and have been hot
discussed currently. However, their investigations have been mostly limited in nonmagnetic …

van der Waals stacking-induced topological phase transition in layered ternary transition metal chalcogenides

J Liu, H Wang, C Fang, L Fu, X Qian - Nano letters, 2017 - ACS Publications
Novel materials with nontrivial electronic and photonic band topology are crucial for
realizing novel devices with low power consumption and heat dissipation and quantum …

Raman Signatures of Broken Inversion Symmetry and In‐Plane Anisotropy in Type‐II Weyl Semimetal Candidate TaIrTe4

Y Liu, Q Gu, Y Peng, S Qi, N Zhang, Y Zhang… - Advanced …, 2018 - Wiley Online Library
The layered ternary compound TaIrTe4 is an important candidate to host the recently
predicted type‐II Weyl fermions. However, a direct and definitive proof of the absence of …

Anomalous Nernst effect and field-induced Lifshitz transition in the Weyl semimetals TaP and TaAs

F Caglieris, C Wuttke, S Sykora, V Süss, C Shekhar… - Physical Review B, 2018 - APS
The discovery of Weyl fermions in transition-metal monoarsenides/phosphides without
inversion symmetry represents an exceptional breakthrough in modern condensed matter …