On the remarkable superconductivity of FeSe and its close cousins
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 …
of condensed matter physics for more than a decade. Much has been learned about the …
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 …
correlations in iron-based superconductors. As this substitution takes place outside the …
Interplay between superconductivity and the strange-metal state in FeSe
X Jiang, M Qin, X Wei, L Xu, J Ke, H Zhu, R Zhang… - Nature Physics, 2023 - nature.com
In contrast to conventional Fermi liquids where resistivity scales quadratically with
temperature, unconventional superconductors usually exhibit a normal-state resistivity that …
temperature, unconventional superconductors usually exhibit a normal-state resistivity that …
Nematic energy scale and the missing electron pocket in FeSe
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 …
superconductors. It is therefore important to understand the impact of nematicity on the …
Correlation-driven electronic reconstruction in FeTe1−xSex
Electronic correlation is of fundamental importance to high temperature superconductivity.
While the low energy electronic states in cuprates are dominantly affected by correlation …
While the low energy electronic states in cuprates are dominantly affected by correlation …
Spontaneous orbital polarization in the nematic phase of FeSe
The origin of nematicity in FeSe remains a critical outstanding question towards
understanding unconventional superconductivity in proximity to nematic order. To …
understanding unconventional superconductivity in proximity to nematic order. To …
Nanoscale vector AC magnetometry with a single nitrogen-vacancy center in diamond
Detection of AC magnetic fields at the nanoscale is critical in applications ranging from
fundamental physics to materials science. Isolated quantum spin defects, such as the …
fundamental physics to materials science. Isolated quantum spin defects, such as the …
Evolution of spin excitations from bulk to monolayer FeSe
In ultrathin films of FeSe grown on SrTiO3 (FeSe/STO), the superconducting transition
temperature T c is increased by almost an order of magnitude, raising questions on the …
temperature T c is increased by almost an order of magnitude, raising questions on the …
Relationship between transport anisotropy and nematicity in FeSe
The mechanism behind the nematicity of FeSe is not known. Through elastoresitivity
measurements it has been shown to be an electronic instability. However, thus far …
measurements it has been shown to be an electronic instability. However, thus far …
Highly anisotropic superconducting gap near the nematic quantum critical point of FeSe1−xSx
Nematic phases, in which electrons in a solid spontaneously break rotational symmetry
while preserving translational symmetry, exist in several families of unconventional …
while preserving translational symmetry, exist in several families of unconventional …