Topological aspects of antiferromagnets

V Bonbien, F Zhuo, A Salimath, O Ly… - Journal of Physics D …, 2021 - iopscience.iop.org
The long fascination that antiferromagnetic materials has exerted on the scientific community
over about a century has been entirely renewed recently with the discovery of several …

Intrinsic magnetic topological materials

Y Wang, F Zhang, M Zeng, H Sun, Z Hao, Y Cai… - Frontiers of …, 2023 - Springer
Topological states of matter possess bulk electronic structures categorized by topological
invariants and edge/surface states due to the bulk-boundary correspondence. Topological …

A-type antiferromagnetic order in semiconducting single crystals

S Pakhira, F Islam, E O'Leary, MA Tanatar, T Heitmann… - Physical Review B, 2022 - APS
Eu-based Zintl-phase materials Eu A 2 P n 2 (A= Mg, In, Cd, Zn; P n= Bi, Sb, As, P) have
generated significant recent interest owing to the complex interplay of magnetism and band …

Magnetic, thermal, and electronic-transport properties of single crystals

S Pakhira, MA Tanatar, DC Johnston - Physical Review B, 2020 - APS
The trigonal compound EuMg 2 Bi 2 has recently been discussed in terms of its topological
band properties. These are intertwined with its magnetic properties. Here detailed studies of …

Anisotropic magnetism and electronic structure of trigonal single crystals

S Pakhira, AK Kundu, F Islam, MA Tanatar, T Roy… - Physical Review B, 2023 - APS
Understanding the interplay between magnetic and electronic degrees of freedom is of
profound recent interest in different Eu-based magnetic topological materials. In this paper …

Magnetic field induced -plane rotation of the Eu magnetic moments in trigonal and single crystals below their Néel temperatures

S Pakhira, Y Lee, L Ke, DC Johnston - Physical Review B, 2022 - APS
The thermodynamic and electronic-transport properties of trigonal EuMg 2 Bi 2 in ab-plane
magnetic fields H x and the A-type antiferromagnetic structure have recently been reported …

Topological electronic structure of YbMg2Bi2 and CaMg2Bi2

AK Kundu, T Roy, S Pakhira, ZB Wu… - npj Quantum …, 2022 - nature.com
Zintl compounds have been extensively studied for their outstanding thermoelectric
properties, but their electronic structure remains largely unexplored. Here, we present a …

Zero-field magnetic ground state of

S Pakhira, T Heitmann, SXM Riberolles, BG Ueland… - Physical Review B, 2021 - APS
Layered trigonal EuMg 2 Bi 2 is reported to be a topological semimetal that hosts multiple
Dirac points that may be gapped or split by the onset of magnetic order. Here, we report zero …

Colossal magnetoresistance and topological phase transition in

S Luo, Y Xu, F Du, L Yang, Y Chen, C Cao, Y Song… - Physical Review B, 2023 - APS
We report electrical transport properties of EuZn 2 As 2 under pressures up to 26 GPa. At
ambient pressure, EuZn 2 As 2 exhibits an insulating ground state and a≈ 200% negative …

Electronic and magnetic properties of the topological semimetal

AK Kundu, S Pakhira, T Roy, T Yilmaz, M Tsujikawa… - Physical Review B, 2022 - APS
Dirac semimetals show nontrivial physical properties and can host exotic quantum states
like Weyl semimetals and topological insulators under suitable external conditions. Here, by …