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 …

The magnetic and electronic properties of oxyselenides—influence of transition metal ions and lanthanides

C Stock, EE McCabe - Journal of Physics: Condensed Matter, 2016 - iopscience.iop.org
Magnetic oxyselenides have been a topic of research for several decades, firstly in the
context of photoconductivity and thermoelectricity owing to their intrinsic semiconducting …

Crystallographic, electronic, thermal, and magnetic properties of single-crystal SrCoAs

A Pandey, DG Quirinale, W Jayasekara, A Sapkota… - Physical Review B …, 2013 - APS
In tetragonal SrCo 2 As 2 single crystals, inelastic neutron scattering measurements
demonstrated that strong stripe-type antiferromagnetic (AFM) correlations occur at a …

Interplay between lattice and spin states degree of freedom in the FeSe superconductor: Dynamic spin state instabilities

V Gnezdilov, YG Pashkevich, P Lemmens… - Physical Review B …, 2013 - APS
Polarized Raman-scattering spectra of superconducting, single-crystalline FeSe evidence
pronounced phonon anomalies with temperature reduction. A large (∼ 6.5%) hardening of …

Magnetic Field Effects in a Correlated Electron System with Spin-State Degree of Freedom—Implications for an Excitonic Insulator—

T Tatsuno, E Mizoguchi, J Nasu, M Naka… - journal of the physical …, 2016 - journals.jps.jp
Magnetic field (H) effects on a correlated electron system with a spin-state degree of
freedom are examined. The effective Hamiltonian derived from the two-orbital Hubbard …

[PDF][PDF] The AXEAP2 program for Kβ X-ray emission spectra analysis using artificial intelligence

IH Hwang, SD Kelly, MKY Chan, E Stavitski… - Journal of …, 2023 - journals.iucr.org
The processing and analysis of synchrotron data can be a complex task, requiring
specialized expertise and knowledge. Our previous work addressed the challenge of X-ray …

Hole-doping-induced melting of spin-state ordering in

P Miao, X Lin, S Lee, Y Ishikawa, S Torii, M Yonemura… - Physical Review B, 2017 - APS
The layered perovskite cobaltite R BaCo 2 O 5.5 (R: rare-earth elements) exhibits an abrupt
temperature-induced metal-insulator transition (MIT) that has been attributed to spin-state …

Evidence of Mott physics in iron pnictides from x-ray spectroscopy

S Lafuerza, H Gretarsson, F Hardy, T Wolf, C Meingast… - Physical Review B, 2017 - APS
The existence of large instantaneous local magnetic moments in paramagnetic phases is a
direct signature of Mott localization. In order to track the doping evolution of fluctuating local …

Inelastic Neutron Scattering Study of a Nonmagnetic Collapsed Tetragonal Phase in Nonsuperconducting : Evidence of the Impact of Spin Fluctuations on …

JH Soh, GS Tucker, DK Pratt, DL Abernathy… - Physical Review Letters, 2013 - APS
The relationship between antiferromagnetic spin fluctuations and superconductivity has
become a central topic of research in studies of superconductivity in the iron pnictides. We …

Muon spin rotation study of the magnetic structure in the tetragonal antiferromagnetic state of weakly underdoped Ba1− xKxFe2As2

BPP Mallett, YG Pashkevich, A Gusev, T Wolf… - Europhysics …, 2015 - iopscience.iop.org
With muon spin rotation (μSR) we studied the transition between the orthorhombic
antiferromagnetic (o-AF) and the tetragonal antiferromagnetic (t-AF) states of a weakly …