Orbital selectivity in electron correlations and superconducting pairing of iron-based superconductors
Electron correlations play a central role in iron-based superconductors. In these systems,
multiple Fe 3 d-orbitals are active in the low-energy physics, and they are not all degenerate …
multiple Fe 3 d-orbitals are active in the low-energy physics, and they are not all degenerate …
Novel electronic nematicity in heavily hole-doped iron pnictide superconductors
K Ishida, M Tsujii, S Hosoi… - Proceedings of the …, 2020 - National Acad Sciences
Electronic nematicity, a correlated state that spontaneously breaks rotational symmetry, is
observed in several layered quantum materials. In contrast to their liquid-crystal …
observed in several layered quantum materials. In contrast to their liquid-crystal …
Iron-based superconductors: tales from the nuclei
High-temperature superconductivity in Fe-based pnictides and chalcogenides has been one
of the most significant recent discoveries in condensed matter physics and has attracted …
of the most significant recent discoveries in condensed matter physics and has attracted …
Superconductivity Emerging from an Electronic Phase Separation in the Charge Ordered Phase of
As 75, Rb 87, and Rb 85 nuclear quadrupole resonance (NQR) and Rb 87 nuclear magnetic
resonance measurements in a RbFe 2 As 2 iron-based superconductor are presented. We …
resonance measurements in a RbFe 2 As 2 iron-based superconductor are presented. We …
Charge and nematic orders in superconductors
M Moroni, G Prando, S Aswartham, I Morozov… - Physical Review B, 2019 - APS
We discuss the results of As 75 nuclear quadrupole resonance (NQR) and muon spin
relaxation measurements in A Fe 2 As 2 (A= Cs, Rb) iron-based superconductors. We point …
relaxation measurements in A Fe 2 As 2 (A= Cs, Rb) iron-based superconductors. We point …
Nonlocal Coulomb interaction and spin-freezing crossover as a route to valence-skip** charge order
Multiorbital systems away from global half-filling host intriguing physical properties promoted
by Hund's coupling. Despite increasing awareness of this regime dubbed Hund's metal …
by Hund's coupling. Despite increasing awareness of this regime dubbed Hund's metal …
Structural, electronic, and dynamical properties of the tetragonal and collapsed tetragonal phases of
Compounds with a tetragonal ThCr 2 Si 2-type structure are characterized by the possibility
of the isostructural phase transition from the tetragonal phase to the collapsed tetragonal …
of the isostructural phase transition from the tetragonal phase to the collapsed tetragonal …
Absence of superconductivity in the collapsed tetragonal phase of under hydrostatic pressure
Temperature dependence of resistivity on KF e 2 A s 2 single crystals down to 20 mK was
measured under various hydrostatic pressures up to 17.5 GPa generated in a cubic-anvil …
measured under various hydrostatic pressures up to 17.5 GPa generated in a cubic-anvil …
Increasing stripe-type fluctuations in (, Rb, Cs) superconductors probed by NMR spectroscopy
We report As 75 nuclear magnetic resonance measurements on single crystals of RbFe 2 As
2 and CsFe 2 As 2. Taking previously reported results for KFe 2 As 2 into account, we find …
2 and CsFe 2 As 2. Taking previously reported results for KFe 2 As 2 into account, we find …
Pressure dependence of coherence-incoherence crossover behavior in observed by resistivity and -NMR/NQR
We present the results of As 75 nuclear magnetic resonance (NMR), nuclear quadrupole
resonance (NQR), and resistivity measurements in KFe 2 As 2 under pressure (p). The …
resonance (NQR), and resistivity measurements in KFe 2 As 2 under pressure (p). The …