Dependence of Carrier Doping on the Impurity Potential in Transition-Metal-Substituted<? format?> FeAs-Based Superconductors

S Ideta, T Yoshida, I Nishi, A Fujimori, Y Kotani… - Physical Review Letters, 2013 - APS
In order to examine to what extent the rigid-band-like electron doping scenario is applicable
to the transition metal-substituted Fe-based superconductors, we have performed angle …

Avoided Quantum Criticality and Magnetoelastic Coupling in

X Lu, H Gretarsson, R Zhang, X Liu, H Luo, W Tian… - Physical review …, 2013 - APS
We study the structural and magnetic orders in electron-doped BaFe 2-x Ni x As 2 by high-
resolution synchrotron x-ray and neutron scatterings. Upon Ni doping x, the nearly …

Lifshitz Transition and Chemical Instabilities in Superconductors

SN Khan, DD Johnson - Physical review letters, 2014 - APS
For solid-solution Ba 1− x K x Fe 2 As 2 Fermi surface evolution is mapped via Bloch
spectral functions calculated using density functional theory implemented in Korringa-Kohn …

Short-Range Cluster Spin Glass Near Optimal Superconductivity in BaFeNiAs

X Lu - Phase Diagram and Magnetic Excitations of BaFe2 …, 2017 - Springer
In Chap. 4, we noted that the emergent incommensurate (IC) short-range antiferromagnetic
(AF) order near optimal superconductivity of Ba (Fe _ 1-x 1-x Co _ xx) _2 2 As _ 2 2 heavily …

Local orthorhombic lattice distortions in the paramagnetic tetragonal phase of superconducting NaFe1−xNixAs

W Wang, Y Song, C Cao, KF Tseng, T Keller… - Nature …, 2018 - nature.com
Understanding the interplay between nematicity, magnetism and superconductivity is pivotal
for elucidating the physics of iron-based superconductors. Here we use neutron scattering to …

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 …

Superstructures and magnetic order in heavily Cu-substituted

S Cao, X Ma, D Yuan, Z Tao, X Chen, Y He… - Physical Review B, 2024 - APS
Most iron-based superconductors exhibit stripe-type magnetism, characterized by the
ordering vector Q=(1 2, 1 2). In contrast, Fe 1+ y Te, the parent compound of the Fe 1+ y Te …

The anomaly Cu doping effects on LiFeAs superconductors

LY Xing, H Miao, XC Wang, J Ma, QQ Liu… - Journal of Physics …, 2014 - iopscience.iop.org
The Cu substitution effect on the superconductivity of LiFeAs has been studied in
comparison with Co/Ni substitution. It is found that the shrinking rate of the lattice parameter …

Magnonlike Dispersion of Spin Resonance in Ni-doped

MG Kim, GS Tucker, DK Pratt, S Ran, A Thaler… - Physical Review Letters, 2013 - APS
Inelastic neutron scattering measurements on Ba (Fe 0.963 Ni 0.037) 2 As 2 manifest a
neutron spin resonance in the superconducting state with anisotropic dispersion within the …

Possible unconventional superconductivity in substituted BaFe2As2 revealed by magnetic pair-breaking studies

PFS Rosa, C Adriano, TM Garitezi, MM Piva… - Scientific reports, 2014 - nature.com
The possible existence of a sign-changing gap symmetry in BaFe2As2-derived
superconductors (SC) has been an exciting topic of research in the last few years. To further …