Incommensurate magnetic excitations in superconducting LiFeAs

Abstract

Magnetic correlations in superconducting LiFeAs were studied by elastic and by inelastic neutron scattering experiments. There is no indication for static magnetic ordering but inelastic correlations appear at the incommensurate wave vector (0:5+-d 0:-+d 0) with d=0.07 slightly shifted from the commensurate ordering observed in other FeAs-based compounds. The incommensurate magnetic excitations respond to the opening of the superconducting gap by a transfer of spectral weight.

4 pages 5 figures

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Cited by in corpus (53)

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• Ironing out the details of unconventional superconductivity
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• Spin fluctuations in iron pnictides and chalcogenides: From antiferromagnetism to superconductivity
• Scanning tunneling spectroscopy of superconducting LiFeAs single crystals: Evidence for two nodeless energy gaps and coupling to a bosonic mode
• Phase Diagram and Calorimetric Properties of NaFe${}_{1-x}$Co${}_x$As
• Orbital selective Fermi surface shifts and mechanism of high T${}_c$ superconductivity in correlated AFeAs (A=Li,Na)
• Superconductivity from repulsion in LiFeAs: novel s-wave symmetry and potential time-reversal symmetry breaking
• Multiorbital effects on the transport and the superconducting fluctuations in LiFeAs
• Distinguishing $s^{\pm }$ and $s^{++}$ electron pairing symmetries by neutron spin resonance in superconducting NaFe${}_{0.935}$Co${}_{0.045}$As
• Sign inversion in the superconducting order parameter of LiFeAs inferred from Bogoliubov quasiparticle interference
• Spin-Fluctuation-Induced Non-Fermi-Liquid Behavior with suppressed superconductivity in LiFe${}_{1-x}$Co${}_x$As
• Discovery of a strain-stabilised smectic electronic order in LiFeAs
• Odd and even modes of neutron spin resonance in the bilayer iron-based superconductor CaKFe${}_4$As${}_4$
• Identifying the `Fingerprint' of Antiferromagnetic Spin-Fluctuations on Iron-Pnictide Superconductivity
• Orbital selective spin excitations and their impact on superconductivity of LiFe1-xCoxAs
• Neutron spin resonance in the 112-type iron-based superconductor
• 75As NMR-NQR study in superconducting LiFeAs
• Effect of Li-deficiency impurities on the electron-overdoped LiFeAs superconductor
• Imaging the Real Space Structure of the Spin Fluctuations in an Iron-based superconductor
• Unconventional density waves and superconductivities in Fe-based superconductors and other strongly correlated electron systems
• Revisit of the Orbital-Fluctuation-Mediated Superconductivity in LiFeAs: Nontrivial Spin-Orbit Interaction Effects on the Bandstructure and Superconducting Gap Function
• Incommensurate magnetic fluctuations and Fermi surface topology in LiFeAs
• Incommensurate antiferromagnetic fluctuations in single-crystalline LiFeAs studied by inelastic neutron scattering
• Unravelling incommensurate magnetism and its emergence in iron-based superconductors
• Molecular Beam Epitaxy Growth of Superconducting LiFeAs Film on SrTiO3(001) Substrate
• Spin fluctuations away from (pi,0) in the superconducting phase of molecular-intercalated FeSe
• Unusual temperature evolution of superconductivity in LiFeAs
• Doping - dependent anisotropic superconducting gap in Na${}_{1-\delta }$(Fe${}_{1-x}$Co${}_x$)As
• Anomalous superconducting state in LiFeAs implied by the ${}^{75}$As Knight shift measurement
• Magnetic fluctuations and spin freezing in nonsuperconducting LiFeAs derivatives
• Suppression of spin-exciton state in hole overdoped iron-based superconductors
• Longitudinal magnetoresistance in Co-doped BaFe2As2 and LiFeAs single crystals: Interplay between spin fluctuations and charge transport in iron-pnictides
• On the Spatial Locality of Electronic Correlations in LiFeAs
• Interband Quasiparticle Scattering in Superconducting LiFeAs Reconciles Photoemission and Tunneling Measurements
• Detecting sign-changing superconducting gap in LiFeAs using quasiparticle interference
• Coexistence of Clean- and Dirty-limit Superconductivity in LiFeAs
• The Three-Dimensional Electronic Structure of LiFeAs: Strong-coupling Superconductivity and Topology in the Iron Pnictides
• Strong Spin Resonance Mode associated with suppression of soft magnetic ordering in Hole-doped Ba1-xNaxFe2As2
• Gapless spin-excitations in the superconducting state of a quasi-one-dimensional spin-triplet superconductor
• Orbital selective neutron spin resonance in underdoped superconducting NaFe${}_{\text{0.985}}$Co${}_{\text{0.015}}$As
• Dynamical spin susceptibility of spin-valley half-metal
• Spectroscopic evidence of nematic fluctuations in LiFeAs
• Testing the sign-changing superconducting gap in iron-based superconductors with quasiparticle interference and neutron scattering
• Theoretical approach to resonant inelastic x-ray scattering in iron-based superconductors at the energy scale of the superconducting gap
• Impurity effects on spin dynamics in magnetic and superconducting iron pnictides and chalcogenides
• Electron-boson spectral density of LiFeAs obtained from optical data
• Absence of strong magnetic fluctuations in the iron phosphide superconductors LaFePO and Sr2ScO3FeP
• Ferromagnetic inter-layer coupling in FeSe${}_{1-x}$S${}_x$ superconductors revealed by inelastic neutron scattering
• Evidence for bosonic mode coupling in electron dynamics of LiFeAs superconductor
• Spin fluctuations in the 112-type iron-based superconductor Ca${}_{0.82}$La${}_{0.18}$Fe${}_{0.96}$Ni${}_{0.04}$As${}_2$
• Quasiparticle interference in LiFeAs: Signature of inelastic tunneling through spin fluctuations