[HTML][HTML] Spin fluctuations in iron pnictides and chalcogenides: From antiferromagnetism to superconductivity

DS Inosov - Comptes Rendus Physique, 2016 - Elsevier
The present article reviews recent experimental investigations of spin dynamics in iron-
based superconductors and their parent compounds by means of inelastic neutron …

Playing quantum hide-and-seek with the muon: localizing muon stopping sites

JS Möller, P Bonfà, D Ceresoli, F Bernardini… - Physica …, 2013 - iopscience.iop.org
The most fundamental limitations of a muon-spin relaxation experiment can be the lack of
knowledge of the implantation site of the muon and the uncertainty about the muon's …

Soft Chemical Control of Superconductivity in Lithium Iron Selenide Hydroxides Li1–xFex(OH)Fe1–ySe

H Sun, DN Woodruff, SJ Cassidy, GM Allcroft… - Inorganic …, 2015 - ACS Publications
Hydrothermal synthesis is described of layered lithium iron selenide hydroxides Li1–x Fe x
(OH) Fe1–y Se (x∼ 0.2; 0.02< y< 0.15) with a wide range of iron site vacancy concentrations …

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 …

Phase diagram and calorimetric properties of NaFeCoAs

AF Wang, XG Luo, YJ Yan, JJ Ying, ZJ Xiang… - Physical Review B …, 2012 - APS
We measured the resistivity and magnetic susceptibility to map out the phase diagram of
single crystalline NaFe 1− x Co x As. Replacement of Fe by Co suppresses both the …

Prominent role of spin-orbit coupling in FeSe revealed by inelastic neutron scattering

M Ma, P Bourges, Y Sidis, Y Xu, S Li, B Hu, J Li… - Physical Review X, 2017 - APS
In most existing theories for iron-based superconductors, spin-orbit coupling (SOC) has
been assumed to be insignificant. Here, we use spin-polarized inelastic neutron scattering to …

Quantum states of muons in fluorides

JS Möller, D Ceresoli, T Lancaster, N Marzari… - Physical Review B …, 2013 - APS
Muon-spin relaxation (μ+ SR) is a sensitive probe of magnetism, but its utility can be
severely limited by the lack of knowledge of the muon implantation site and the extent to …

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 …

Local magnetism and spin correlations in the geometrically frustrated cluster magnet

JP Sheckelton, FR Foronda, LD Pan, C Moir… - Physical Review B, 2014 - APS
LiZn 2 Mo 3 O 8 has been proposed to contain S= ½ Mo 3 O 13 magnetic clusters arranged
on a triangular lattice with antiferromagnetic nearest-neighbor interactions. Here, microwave …

Probing the reconstructed Fermi surface of antiferromagnetic BaFe2As2 in one domain

MD Watson, P Dudin, LC Rhodes… - npj Quantum …, 2019 - nature.com
A fundamental part of the puzzle of unconventional superconductivity in the Fe-based
superconductors is the understanding of the magnetic and nematic instabilities of the parent …