All topological bands of all nonmagnetic stoichiometric materials

MG Vergniory, BJ Wieder, L Elcoro, SSP Parkin… - Science, 2022 - science.org
Topological quantum chemistry and symmetry-based indicators have facilitated large-scale
searches for materials with topological properties at the Fermi energy (EF). We report the …

Low‐Frequency Current Fluctuations in Quasi‐1D (TaSe4)2I Weyl Semimetal Nanoribbons

S Ghosh, F Kargar, NR Sesing, Z Barani… - Advanced Electronic …, 2023 - Wiley Online Library
Low‐frequency current fluctuations, ie, electronic noise, in quasi‐1D (TaSe4) 2I Weyl
semimetal nanoribbons are discussed. It is found that the noise spectral density is of the 1/f …

Insulator-to-Superconductor Transition in Quasi-One-Dimensional HfS3 under Pressure

B Yue, W Zhong, W Deng, T Wen, Y Wang… - Journal of the …, 2022 - ACS Publications
Various transition-metal trichalcogenides (TMTC) show unique electronic properties, such
as metal–insulator transition, topological insulator, and even superconducting transition …

Pressure-induced superconductivity in the noncentrosymmetric Weyl semimetals

W Cao, N Zhao, C Pei, Q Wang, Q Zhang, T Ying… - Physical Review B, 2022 - APS
In topological materials, Dirac fermions can split into two Weyl fermions with opposite
chiralities due to the breaking of space-inversion symmetry, while in noncentrosymmetric …

Pressure-induced superconductivity in the Zintl topological insulator

W Cao, H Yang, Y Li, C Pei, Q Wang, Y Zhao, C Li… - Physical Review B, 2023 - APS
The Zintl compound A In 2 X 2 (A= Ca, Sr, and X= P, As), as a theoretically predicted
nonmagnetic topological insulator, requires experiments to understand its electronic …

Finite-momentum instability of a dynamical axion insulator

JB Curtis, I Petrides, P Narang - Physical Review B, 2023 - APS
Due to the chiral anomaly, Weyl semimetals can exhibit a signature topological
magnetoelectric response known as an axion term which is determined by the microscopic …

Pressure-induced superconductivity in PdTeI with quasi-one-dimensional PdTe chains

Y Zhao, J Hou, Y Fu, C Pei, J Sun, Q Wang, L Gao… - Crystals, 2022 - mdpi.com
The quasi-one-dimensional material PdTeI exhibits unusual electronic transport properties
at ambient pressure. Here, we systematically investigate both the structural and electronic …

Centrosymmetric-noncentrosymmetric structural phase transition in the quasi-one-dimensional compound

A Bera, S Rom, SK Pradhan, S Bera, S Kalimuddin… - Physical Review B, 2023 - APS
(TaSe 4) 3 I, a compound belonging to the family of quasi-one-dimensional transition metal
tetrachalcogenides, has drawn significant attention due to a recent report on the possible …

Optical response from charge-density waves in Weyl semimetals

RC McKay, B Bradlyn - Physical Review B, 2021 - APS
The study of charge-density wave (CDW) distortions in Weyl semimetals has recently
returned to the forefront, inspired by experimental interest in materials such as (TaSe 4) 2 I …

Pressure evolution of the normal- and superconducting-state properties of the line-nodal material revealed by nuclear quadrupole resonance

H Takahashi, S Kitagawa, K Ishida, A Ikeda, SR Saha… - Physical Review B, 2024 - APS
CaSb 2 is the Dirac line-nodal material that exhibits a superconducting (SC) transition at 1.7
K. In spite of its conventional SC state at ambient pressure, the transition temperature T c …