[HTML][HTML] Magnetic interactions in iron superconductors: A review
High-temperature superconductivity in iron pnictides and chalcogenides emerges when a
magnetic phase is suppressed. The multi-orbital character and the strength of correlations …
magnetic phase is suppressed. The multi-orbital character and the strength of correlations …
Orbital order and spontaneous orthorhombicity in iron pnictides
A growing list of experiments show orthorhombic electronic anisotropy in the iron pnictides,
in some cases at temperatures well above the spin-density-wave transition. These …
in some cases at temperatures well above the spin-density-wave transition. These …
The magnetic moment enigma in Fe-based high temperature superconductors
N Mannella - Journal of Physics: Condensed Matter, 2014 - iopscience.iop.org
The determination of the most appropriate starting point for the theoretical description of Fe-
based materials hosting high-temperature superconductivity remains among the most …
based materials hosting high-temperature superconductivity remains among the most …
Self-consistent determination of the interaction strength: Application to the iron arsenide superconductors
We introduce a first principles approach to determine the strength of the electronic
correlations based on the fully self-consistent GW approximation. The approach provides a …
correlations based on the fully self-consistent GW approximation. The approach provides a …
Existence of Orbital Order and its Fluctuation in Superconducting Single Crystals Revealed by X-ray Absorption Spectroscopy
We performed temperature dependent x-ray linear dichroism (XLD) experiments on an iron
pnictide system, Ba (Fe 1-x Co x) 2 As 2 with x= 0.00, 0.05, 0.08, and 0.10 to experimentally …
pnictide system, Ba (Fe 1-x Co x) 2 As 2 with x= 0.00, 0.05, 0.08, and 0.10 to experimentally …
A study of the electronic structure of FeSe1− xTex chalcogenides by Fe and Se K-edge X-ray absorption near edge structure measurements
Fe K-edge and Se K-edge x-ray absorption near edge structure (XANES) measurements are
used to study the FeSe 1− x Te x electronic structure of chalcogenides. An intense Fe K …
used to study the FeSe 1− x Te x electronic structure of chalcogenides. An intense Fe K …
Orbital order and fluctuations in the two-leg ladder materials ( and Se) and
The electronic structure of BaFe 2 X 3 (X= S and Se) and CsFe 2 Se 3 in which two-leg
ladders are formed by the Fe sites are studied by means of x-ray absorption and resonant …
ladders are formed by the Fe sites are studied by means of x-ray absorption and resonant …
Chemistry and electronic structure of iron-based superconductors
The solid state provides a richly varied fabric for intertwining chemical bonding, electronic
structure, and magnetism. The discovery of superconductivity in iron pnictides and …
structure, and magnetism. The discovery of superconductivity in iron pnictides and …
Spectroscopic evidence for strong quantum spin fluctuations with itinerant character in
We report x-ray absorption and photoemission spectroscopy of the electronic structure in the
normal state of metallic YFe 2 Ge 2. The data reveal evidence for large fluctuating spin …
normal state of metallic YFe 2 Ge 2. The data reveal evidence for large fluctuating spin …
Electronic Properties of upon Do** and Pressure: The Prominent Role of the As Orbitals
Using high-resolution, lifetime removed, x-ray absorption spectroscopy at the As K edge, we
evidence the strong sensitivity of the As electronic structure upon electron do** with Co or …
evidence the strong sensitivity of the As electronic structure upon electron do** with Co or …