Supercurrent diode effect and finite-momentum superconductors

NFQ Yuan, L Fu - Proceedings of the National Academy of …, 2022 - National Acad Sciences
When both inversion and time-reversal symmetries are broken, the critical current of a
superconductor can be nonreciprocal. In this work, we show that, in certain classes of two …

Unraveling the structural dependency of Weyl nodes in

N Schulz, G Pantano, D DeTellem, A Chanda… - Physical Review B, 2024 - APS
Conventionally, the modulation of the intrinsic Weyl nodes in Weyl semimetals is
challenging, due to topological protection. Here we report the structural dependence of the …

Dirac lines and loop at the Fermi level in the time-reversal symmetry breaking superconductor LaNiGa2

JR Badger, Y Quan, MC Staab, S Sumita… - Communications …, 2022 - nature.com
Unconventional superconductors have Cooper pairs with lower symmetries than in
conventional superconductors. In most unconventional superconductors, the additional …

[HTML][HTML] Anomalous Hall effect and negative longitudinal magnetoresistance in half-Heusler topological semimetal candidates TbPtBi and HoPtBi

O Pavlosiuk, P Fałat, D Kaczorowski, P Wiśniewski - APL Materials, 2020 - pubs.aip.org
Half-Heusler compounds have attracted significant attention because of their topologically
non-trivial electronic structure, which leads to unusual electron transport properties. We …

Efficient spin current source using a half-Heusler alloy topological semimetal with back end of line compatibility

T Shirokura, T Fan, NHD Khang, T Kondo, PN Hai - Scientific Reports, 2022 - nature.com
Topological materials, such as topological insulators (TIs), have great potential for ultralow
power spintronic devices, thanks to their giant spin Hall effect. However, the giant spin Hall …

Testing the topological insulator behavior of half-Heusler PdYBi and PtYBi (111) epitaxial thin films

V Palin, A Anadón, S Andrieu, Y Fagot-Revurat… - Physical Review …, 2023 - APS
Topological insulators are promising materials in condensed-matter physics on the grounds
that they host a peculiar spin texture that can generate very high spin-to-charge current …

Effect of spin-orbital coupling on the electronic, mechanical, thermoelectric, and vibrational properties of XPtBi (X= Sc and Y): A first-principles study

M Goyal, MM Sinha - Journal of Physics and Chemistry of Solids, 2021 - Elsevier
Heusler compounds constitute a versatile class of materials, as evidenced by their
numerous technological applications. Herein, we report a comparative study of the …

Tuning the topological character of half-Heusler systems: A comparative study on

JC Souza, MV Ale Crivillero, H Dawczak-Dębicki… - Physical Review B, 2023 - APS
Half-Heusler systems host a plethora of different ground states, especially with nontrivial
topology. However, there is still a lack of spectroscopic insight into the corresponding band …

Valence transition and termination-dependent surface states in the topological Kondo semimetal YbPtBi

Y Fang, Z Wu, G Yang, Y Zhang, W Zhu, Y Wu, C Guo… - Physical Review B, 2023 - APS
The Yb-terminated and Bi-terminated (111) surface electronic structure of topological Kondo
semimetal YbPtBi is investigated using both density-functional-theory (DFT)-based …

Insulating Half‐Heusler TmPdSb with Unusual Band Order and Metallic Surface States

S Dan, A Ptok, O Pavlosiuk, K Singh… - Advanced Functional …, 2024 - Wiley Online Library
Theoretical and experimental results exploring a half‐Heusler compound TmPdSb with
unusual band order and metallic surface states are presented. Typically, the half‐Heusler …