Antiferromagnetic order and spin dynamics in iron-based superconductors

P Dai - Reviews of Modern Physics, 2015 - APS
High-transition temperature (high-T c) superconductivity in the iron pnictides or
chalcogenides emerges from the suppression of the static antiferromagnetic order in their …

Iron-based superconductors: Magnetism, superconductivity, and electronic structure

AA Kordyuk - Low temperature physics, 2012 - pubs.aip.org
Angle resolved photoemission spectroscopy (ARPES) reveals the features of the electronic
structure of quasi-two-dimensional crystals which are crucial for spin and charge ordering …

Critical quadrupole fluctuations and collective modes in iron pnictide superconductors

VK Thorsmølle, M Khodas, ZP Yin, C Zhang, SV Carr… - Physical Review B, 2016 - APS
The multiband nature of iron pnictides gives rise to a rich temperature-doping phase
diagram of competing orders and a plethora of collective phenomena. At low dopings, the …

Upper critical field and tunneling spectroscopy of underdoped Na (Fe, Co) As single crystals

L Morgun, S Kuzmichev, I Morozov, A Degtyarenko… - Materials, 2023 - mdpi.com
A comprehensive study of superconducting properties of underdoped NaFe 0.979 Co 0.021
As single crystals by a combination of upper critical field measurements and incoherent …

Effect of pnictogen height on spin waves in iron pnictides

C Zhang, LW Harriger, Z Yin, W Lv, M Wang, G Tan… - Physical Review Letters, 2014 - APS
We use inelastic neutron scattering to study spin waves in the antiferromagnetic ordered
phase of iron pnictide NaFeAs throughout the Brillouin zone. Comparing with the well …

A Mott insulator continuously connected to iron pnictide superconductors

Y Song, Z Yamani, C Cao, Y Li, C Zhang… - Nature …, 2016 - nature.com
Iron-based superconductivity develops near an antiferromagnetic order and out of a bad-
metal normal state, which has been interpreted as originating from a proximate Mott …

Phase diagram and physical properties of NaFeCuAs single crystals

AF Wang, JJ Lin, P Cheng, GJ Ye, F Chen, JQ Ma… - Physical Review B …, 2013 - APS
A series of high-quality NaFe 1− x Cu x As single crystals have been grown with the self-flux
technique, which were systematically characterized via structural, transport, thermodynamic …

Upper critical field of high-quality single crystals of KFeAs

Y Liu, MA Tanatar, VG Kogan, H Kim, TA Lograsso… - Physical Review B …, 2013 - APS
Measurements of temperature-dependent in-plane resistivity ρ (T) were used to determine
the upper critical field and its anisotropy in high-quality single crystals of the stoichiometric …

Strong-coupling superconductivity in NaFeCoAs: Validity of Eliashberg theory

G Tan, P Zheng, X Wang, Y Chen, X Zhang, J Luo… - Physical Review B …, 2013 - APS
We study the normal-state and superconducting properties of the NaFe 1− x Co x As system
by specific heat measurements. Both the normal-state Sommerfeld coefficient and …

Effect of Li-deficiency impurities on the electron-overdoped LiFeAs superconductor

M Wang, M Wang, H Miao, SV Carr, DL Abernathy… - Physical Review B …, 2012 - APS
We use transport, inelastic neutron scattering, and angle-resolved photoemission
experiments to demonstrate that the stoichiometric LiFeAs is an intrinsically electron …