Iron pnictide superconductors: Electrons on the verge

Abstract

An optical analysis reveals that the electronic correlations in the `parent' compounds of the iron pnictide superconductors are sufficiently strong to significantly impede the mobility of the electrons.

A News and Views piece; 5 pages, 1 figure

References in corpus (4)

• Electronic correlations in the iron pnictides
• Origin of the spin density wave instability in AFe${}_2$As${}_2$ (A=Ba, Sr) as revealed by optical spectroscopy
• Itinerant magnetic excitations in antiferromagnetic CaFe2As2
• Signatures of Electronic Correlations in Optical Properties of LaFeAsO${}_{1-x}$F${}_x$

Cited by in corpus (31)

• Electrodynamics of Correlated Electron Materials
• High Temperature Superconductivity in Iron Pnictides and Chalcogenides
• FeAs-based superconductivity: a case study of the effects of transition metal doping on BaFe2As2
• Orbital-selective Mott Phase in Multiorbital Models for Alkaline Iron Selenides K(1-x)Fe(2-y)Se2
• Flat bands, strange metals, and the Kondo effect
• Electronic correlations and partial gap in the bilayer nickelate La${}_3$Ni${}_2$O${}_7$
• Band Narrowing and Mott Localization in Iron Oxychalcogenides La2O2Fe2O(Se,S)2
• Fermi-liquid, non-Fermi-liquid, and Mott phases in iron pnictides and cuprates
• U(1) Slave-spin theory and its application to Mott transition in a multi-orbital model for iron pnictides
• Electronic correlations and flattened band in magnetic Weyl semimetal candidate Co3Sn2S2
• Quantum criticality in the iron pnictides and chalcogenides
• Mott transition in Modulated Lattices and Parent Insulator of (K,Tl)yFexSe2 Superconductors
• Mott Transition in Multi-Orbital Models for Iron Pnictides
• Infrared Measurement of the Pseudogap in P-Doped and Co-Doped BaFe2As2 High-Temperature Superconductors
• High energy pseudogap and its evolution with doping in Fe-based superconductors as revealed by optical spectroscopy
• Weak spin interactions in Mott insulating La2O2Fe2OSe2
• Origin of the resistive anisotropy in the electronic nematic phase of BaFe${}_2$As${}_2$ revealed by optical spectroscopy
• Lifshitz transition driven by spin fluctuations and spin-orbit renormalization in NaOsO${}_3$
• Electronic correlations in iron-pnictide superconductors and beyond; what can we learn from optics
• Unconventional Mott Transition in KxFe2-ySe2
• Electronic correlations in the van der Waals ferromagnet Fe${}_3$GeTe${}_2$ revealed by its charge dynamics
• Optical conductivity of an interacting Weyl liquid in the collisionless regime
• Optical spectroscopy study of Nd(O,F)BiS2 single crystals
• Disorder effects in multiorbital $s_{\pm }$-wave superconductors: Implications for Zn-doped BaFe${}_2$As${}_2$ compounds
• Single crystal growth and optical conductivity of SrPt${}_2$As${}_2$ superconductors
• Magnetic order and spin dynamics in La2O2Fe2OSe2 probed by 57Fe-Moessbauer, 139La-NMR, and muon spin relaxation spectroscopy
• Looking at the superconducting gap of iron pnictides
• Microscopic description of insulator-metal transition in high-pressure oxygen
• Driving force of the orbital-relevant electronic nematicity in Fe-based superconductors
• Magnetic surface reconstruction in the van-der-Waals antiferromagnet Fe${}_{1+x}$Te
• Orbital order in a bosonic $p$-band triangular lattice