Angle-resolved photoemission studies of quantum materials

JA Sobota, Y He, ZX Shen - Reviews of Modern Physics, 2021 - APS
The physics of quantum materials is dictated by many-body interactions and mathematical
concepts such as symmetry and topology that have transformed our understanding of matter …

Iron pnictides and chalcogenides: a new paradigm for superconductivity

RM Fernandes, AI Coldea, H Ding, IR Fisher… - Nature, 2022 - nature.com
Superconductivity is a remarkably widespread phenomenon that is observed in most metals
cooled to very low temperatures. The ubiquity of such conventional superconductors, and …

On the remarkable superconductivity of FeSe and its close cousins

A Kreisel, PJ Hirschfeld, BM Andersen - Symmetry, 2020 - mdpi.com
Emergent electronic phenomena in iron-based superconductors have been at the forefront
of condensed matter physics for more than a decade. Much has been learned about the …

Exotic superconducting states in FeSe-based materials

T Shibauchi, T Hanaguri, Y Matsuda - Journal of the Physical Society …, 2020 - journals.jps.jp
High-temperature superconductivity and a wide variety of exotic superconducting states
discovered in FeSe-based materials have been at the frontier of research on condensed …

Evidence of anisotropic Majorana bound states in 2M-WS2

Y Yuan, J Pan, X Wang, Y Fang, C Song, L Wang… - Nature Physics, 2019 - nature.com
Searching for Majorana bound states has become an important topic because of its potential
applications in topological quantum computing. 2M-phase WS2, a newly synthesized …

Nematic energy scale and the missing electron pocket in FeSe

M Yi, H Pfau, Y Zhang, Y He, H Wu, T Chen, ZR Ye… - Physical Review X, 2019 - APS
Superconductivity emerges in proximity to a nematic phase in most iron-based
superconductors. It is therefore important to understand the impact of nematicity on the …

Evidence for an Fulde-Ferrell-Larkin-Ovchinnikov state with segmented vortices in the BCS-BEC-crossover superconductor FeSe

S Kasahara, Y Sato, S Licciardello, M Čulo… - Physical review …, 2020 - APS
We present resistivity and thermal-conductivity measurements of superconducting FeSe in
intense magnetic fields up to 35 T applied parallel to the ab plane. At low temperatures, the …

Spontaneous orbital polarization in the nematic phase of FeSe

CA Occhialini, JJ Sanchez, Q Song, G Fabbris… - Nature Materials, 2023 - nature.com
The origin of nematicity in FeSe remains a critical outstanding question towards
understanding unconventional superconductivity in proximity to nematic order. To …

Anisotropic spin fluctuations in detwinned FeSe

T Chen, Y Chen, A Kreisel, X Lu, A Schneidewind… - Nature materials, 2019 - nature.com
Superconductivity in FeSe emerges from a nematic phase that breaks four-fold rotational
symmetry in the iron plane. This phase may arise from orbital ordering, spin fluctuations or …

Electronic Nematic States Tuned by Isoelectronic Substitution in Bulk FeSe1−x S x

AI Coldea - Frontiers in Physics, 2021 - frontiersin.org
Isoelectronic substitution is an ideal tuning parameter to alter electronic states and
correlations in iron-based superconductors. As this substitution takes place outside the …