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 …

[HTML][HTML] Magnetic interactions in iron superconductors: A review

E Bascones, B Valenzuela, MJ Calderón - Comptes Rendus Physique, 2016 - Elsevier
High-temperature superconductivity in iron pnictides and chalcogenides emerges when a
magnetic phase is suppressed. The multi-orbital character and the strength of correlations …

Visualization of electron nematicity and unidirectional antiferroic fluctuations at high temperatures in NaFeAs

EP Rosenthal, EF Andrade, CJ Arguello… - Nature physics, 2014 - nature.com
Superconductivity in the iron pnictides is often closely connected to a nematic state in which
the tetragonal symmetry of the crystal is spontaneously broken. Determining the dominant …

Nematic spin correlations in the tetragonal state of uniaxial-strained BaFe2−xNixAs2

X Lu, JT Park, R Zhang, H Luo, AH Nevidomskyy, Q Si… - Science, 2014 - science.org
Understanding the microscopic origins of electronic phases in high-transition temperature
(high-T c) superconductors is important for elucidating the mechanism of superconductivity …

Phonon softening and slowing-down of charge density wave fluctuations in

Y Song, S Wu, X Chen, Y He, H Uchiyama, B Li, S Cao… - Physical Review B, 2023 - APS
BaNi 2 As 2 is a nonmagnetic analog of the iron pnictide superconductors, and exhibits an
incommensurate charge density wave (IC-CDW) and a sizable elastoresistance. In this …

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 …

Impact of uniaxial pressure on structural and magnetic phase transitions in electron-doped iron pnictides

X Lu, KF Tseng, T Keller, W Zhang, D Hu, Y Song… - Physical Review B, 2016 - APS
We use neutron resonance spin echo and Larmor diffraction to study the effect of uniaxial
pressure on the tetragonal-to-orthorhombic structural (T s) and antiferromagnetic (AF) phase …

In-plane uniaxial pressure-induced out-of-plane antiferromagnetic moment and critical fluctuations in BaFe2As2

P Liu, ML Klemm, L Tian, X Lu, Y Song, DW Tam… - Nature …, 2020 - nature.com
A small in-plane external uniaxial pressure has been widely used as an effective method to
acquire single domain iron pnictide BaFe2As2, which exhibits twin-domains without uniaxial …

Spin-orbital interplay and topology in the nematic phase of iron pnictides

L Fanfarillo, A Cortijo, B Valenzuela - Physical Review B, 2015 - APS
The origin of the nematic state is an important puzzle to be solved in iron pnictides. Iron
superconductors are multiorbital systems and these orbitals play an important role at low …

Orbital selective spin waves in detwinned NaFeAs

DW Tam, Z Yin, Y **e, W Wang, MB Stone, DT Adroja… - Physical Review B, 2020 - APS
The existence of orbital-dependent electronic correlations has been recognized as an
essential ingredient to describe the physics of iron-based superconductors. NaFeAs, a …