Superconductivity at 41 K and its competition with spin-density-wave instability in layered CeO${}_{1-x}$F${}_x$FeAs

Abstract

A series of layered CeO${}_{1-x}$F${}_x$FeAs compounds with x=0 to 0.20 are synthesized by solid state reaction method. Similar to the LaOFeAs, the pure CeOFeAs shows a strong resistivity anomaly near 145 K, which was ascribed to the spin-density-wave instability. F-doping suppresses this instability and leads to the superconducting ground state. Most surprisingly, the superconducting transition temperature could reach as high as 41 K. The very high superconducting transition temperature strongly challenges the classic BCS theory based on the electron-phonon interaction. The very closeness of the superconducting phase to the spin-density-wave instability suggests that the magnetic fluctuations play a key role in the superconducting paring mechanism. The study also reveals that the Ce 4f electrons form local moments and ordered antiferromagnetically below 4 K, which could coexist with superconductivity.

4 pages, 5 figures

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• CeRuPO: A rare example of a Ferromagnetic Kondo lattice

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• Persistent detwinning of iron pnictides by small magnetic fields
• Synthesis and Physical Properties of FeSe1/2Te1/2 Superconductor
• Evidence of Magnetically Driven Structural Phase Transition in Parent Compounds RFeAsO (R = La, Sm, Gd, Tb): study of low-temperature X-ray diffraction
• Magnetic and Superconducting Properties of FeAs-based High-Tc Superconductors with Gd
• Superconductivity at 11.3 K induced by cobalt doping in CeOFeAs
• The superconductor KxSr(1-x)Fe2As2: Normal state and superconducting properties
• Ferromagnetism and superconductivity in P-doped CeFeAsO
• Limits on the Superconducting Order Parameter in NdFeAsO${}_{1-x}$F${}_y$ from Scanning SQUID Microscopy
• Microscopic study of the effect of impurities on the first order spin density wave transition in BaFe${}_2$As${}_2$
• Vortex states in mesoscopic three-band superconductors
• Structural features and tetragonal-orthorhombic phase transition in SrFe2As2 and CaFe2As2
• Energy-scale phenomenology and pairing via resonant spin-charge motion in FeAs, CuO, heavy-fermion and other exotic superconductors
• High-Tc Superconductivity in some Heavy Rare-earth Iron-arsenide REFeAsO1-delta(RE = Ho, Y, Dy and Tb) Compounds
• Physical property characterization of single step synthesized NdFeAsO0.80F0.20 bulk 50K superconductor
• Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx
• Hubbard interactions in iron-based pnictides and chalcogenides: Slater parametrization, screening channels and frequency dependence
• Superconductivity induced by oxygen deficiency in Sr-doped LaOFeAs
• Magnetic phase diagram of Fe1.1Te1-xSex: A comparative study with the stoichiometric superconducting FeTe1-xSex system
• Disorder-driven electronic localization and phase separation in superconducting Fe1+yTe0.5Se0.5 single crystals
• Perturbation Theory of High-Tc Superconductivity in Iron Pnictides
• Symmetry of superconducting states with two orbitals on a tetragonal lattice: application to $La{O}_{1-x}{F}_{x}FeAs$
• The magnetic moment enigma in Fe-based high temperature superconductors
• The optical phonon spectrum of SmFeAsO
• Magnetic Properties of the Superconducting State of Iron-Based Superconductors
• Long- to short-range magnetic order in fluorine-doped CeFeAsO
• Single crystal growth and physical properties of the layered arsenide BaRh_2As_2
• Effect of the chemical pressure on superconductivity and SDW in undoped and 15%F doped La1-yYyFeAsO compounds
• Thermoelectric studies of KxFe2-ySe2: weakly correlated superconductor
• Nodeless superconducting gap in electron-doped BaFe${}_{1.9}$Ni${}_{0.1}$As${}_2$ probed by quasiparticle heat transport
• Search for pressure induced superconductivity in CeFeAsO and CeFePO iron pnictides
• Electronic Structure and Mott Localization in Iron Deficient TlFe${}_{1.5}$Se${}_2$ with Superstructures
• Electronic Structure of CeFeAsO1-xFx (x=0, 0.11/x=0.12) compounds
• Effective Hamiltonian for FeAs based superconductors
• Raman spectra in iron-based quaternary CeO${}_{1-x}$F${}_x$FeAs and LaO${}_{1-x}$F${}_x$FeAs
• Spin and Orbital Characters of Excitations in Iron Arsenide Superconductors Revealed by Simulated Fe L-Edge RIXS
• Controlling Factors of Tc-Dome Structure in 1111-Type Iron Arsenide Superconductors
• Unusual Electronic Structure and Observation of Dispersion Kink in CeFeAsO Parent Compound of FeAs-Based Superconductors
• Resistivity saturation in PrFeAsO${}_{1-x}$F${}_y$ superconductor: An evidence of strong electron-phonon coupling
• Leggett mode in a strong-coupling model of iron arsenide superconductors
• Band-selective clean- and dirty-limit superconductivity with nodeless gaps in the bilayer iron-based superconductor CsCa${}_2$Fe${}_4$As${}_4$F${}_2$
• Doping evolution of itinerant magnetic excitations in Fe-based oxypnictides
• A Magnetic Transition Probed by the Ce Ion in Square-Lattice Antiferromagnet CeMnAsO
• Modulation of the Octahedral Structure and Potential Superconductivity of La${}_3$Ni${}_2$O${}_7$ through Strain Engineering
• Superconductivity in CeO_{1-x}F_xFeAs with upper critical field of 94 T
• Upper critical field, superconducting energy gaps, and Seebeck coefficient in La0.8Th0.2OFeAs
• Signature of multigap nodeless superconductivity in fluorine-doped NdFeAsO
• Crystal growth and phase diagram of 112-type iron pnictide superconductor Ca1-yLayFe1-xNixAs2
• The influence of spin-phonon coupling on antiferromagnetic spin fluctuations in FeSe under pressure: the First-principles calculations with van der Waals corrections
• Magnetic and transport properties of iron-platinum arsenide Ca10(Pt4-δAs8)(Fe2-xPtxAs2)5 single crystal
• Cooperative effects of Coulomb and electron-phonon interactions in the two-dimensional 16-band d-p model for iron-based superconductors
• Strong coupling between Eu2+ spins and Fe2As2 layers in EuFe1.9Co0.1As2 observed with NMR
• Formation of partial energy gap below the structural phase transition and the rare-earth element substitution effect on infrared phonons in ReFeAsO (Re=La, Nd, and Sm)
• Competition/Coexisitence of Magnetism and Superconductivity in Iron Pnictides Probed by Muon Spin Rotation
• Fermi surface of Ba{1-x}KxFe2As2 as probed by angle-resolved photoemission
• Vortex state in iron-based superconductors with collinear antiferromagnetic cores
• Magnetic impurities in the two-band $s_{\pm }$-wave superconductors
• High pressure study on LaFeAsO with different Tc
• Transport properties and anisotropy in rare earth doped CaFe2As2 single crystals with Tc above 40 K
• Temperature - pressure phase diagram of the superconducting iron pnictide LiFeP
• Global and local critical current density in superconducting SmFeAsO${}_{1-x}$F${}_x$ measured by two methods
• Enhancement in superconducting transition temperature and upper critical field of LaO0.8F0.2FeAs with antimony doping
• Angle-Resolved Photoemission Spectroscopy Study of BaCo2As2
• Interplay between 3d and 4f magnetism in CeCoPO
• Determination of Superconducting Gap of SmFeAsFxO1-x Superconductors by Andreev Reflection Spectroscopy
• Impurity-induced quasiparticle interference in the parent compounds of iron-pnictide superconductors
• Magnetic characterization of undoped and 15%F doped LaFeAsO and SmFeAsO compounds
• La-substituted CaFeAsH superconductor with Tc = 47 K
• Effect of 3d Metal (Co and Ni) Doping on the Superconductivity of FeSe0.5Te0.5
• Systematic Study on Fluorine-doping Dependence of Superconducting and Normal State Properties in LaFePO1-xFx
• Orbital Symmetry of Ba(Fe1-xCox)2As2 Superconductors Probed with X-ray Absorption Spectroscopy
• Doping and Temperature Dependence of Raman Scattering of NdFeAsO1-xFx (x=0.0, 0.1, 0.2) Superconductor
• Pairing symmetry and topological surface state in iron-chalcogenide superconductors
• Thermal Hall Conductivity as a Probe of Gap Structure in Multi-band Superconductors: The Case of $\mathrm{B}{\mathrm{a}}_{1-\mathrm{x}}{\mathrm{K}}_{\mathrm{x}}\mathrm{F}{\mathrm{e}}_2\mathrm{A}{\mathrm{s}}_2$
• Superconductivity induced by doping Ru in SrFe2-xRuxAs2
• Simultaneous optimization of spin fluctuations and superconductivity under pressure in an iron-based superconductor
• Thermal conductivity of overdoped BaFe${}_{1.73}$Co${}_{0.27}$As${}_2$ single crystal: Evidence for nodeless multiple superconducting gaps and interband interactions
• Spin-Density-Wave Gap with Dirac Nodes and Two-Magnon Raman Scattering in BaFe2As2
• The electronic structure of LiFeAs and NaFeAs probed by resonant inelastic x-ray scattering spectra
• Evidence for Competition between Superconductivity and Kondo Effect in CeFeAsO0.7F0.3 under High Pressure
• Penetration depth, lower critical fields, and quasiparticle conductivity in Fe-arsenide superconductors
• The Phase Transition of Square Lattice Antiferromagnets at Finite Temperature
• Microstructure and superconductivity of Ir-doped BaFe2As2 superconductor
• Can antiferromagnetism and superconductivity coexist in the high-field paramagnetic superconductor Nd(O,F)FeAs?
• Electronic structure of new quaternary superconductors LaONiBi and LaOCuBi from first principles
• High Temperature Superconductivity and Effective Gravity
• Nearly-critical spin and charge fluctuations in KFe2As2 observed by high-pressure NMR
• Enhancing the three-dimensional electronic structure in 1111-type iron arsenide superconductors by H-substitution
• Local spin fluctuations in iron-based superconductors: 77Se and 87Rb NMR measurements of Tl0.47Rb0.34Fe1.63Se2
• Magnetic structures and the Ce-Fe coupling induced Fe spin reorientation in CeFeAsO single crystal
• Electronic structures of quasi-one-dimensional cuprate superconductors Ba${}_2$CuO${}_{3+\delta }$
• CeNiAsO: an antiferromagnetic dense Kondo lattice
• Interplay between Co-3d and Ce-4f magnetism in CeCoAsO
• Optical study on the spin-density wave properties in single crystalline Na${}_{1-\delta }$FeAs
• Heavily Hydride-ion-doped 1111-type Iron-based Superconductors: Synthesis, Physical Properties and Electronic Structure
• CeFePO: f-d hybridization and quenching of superconductivity
• Isotope effect and the role of phonon in the Fe-based superconductors
• Electronic Structure of New AFFeAs Prototype of Iron Arsenide Superconductors
• Synthesis of SmFeAsO by an Easy and Versatile Route and its Physical Property Characterization
• Role of Dirac cones in magnetotransport properties of REFeAsO (RE=rare earth) oxypnictides
• Disorder effects in multiorbital $s_{\pm }$-wave superconductors: Implications for Zn-doped BaFe${}_2$As${}_2$ compounds
• Doping-insensitive density-of-states suppression in polycrystalline iron-based superconductor SmO${}_{1-x}$F${}_x$FeAs
• Static magnetic order of Sr${}_4$A${}_2$O${}_6$Fe${}_2$As${}_2$ (A = Sc and V) revealed by local probes
• Fluctuation conductivity and possible pseudogap state in FeAs-based superconductor EuFeAsO(0.85)F(0.15)
• Effect of iron content and potassium substitution in A${}_{0.8}$Fe${}_{1.6}$Se${}_2$ (A = K, Rb, Tl) superconductors: a Raman-scattering investigation
• Evolution of correlation strength in KxFe(2-y)Se2 superconductor doped with S
• Superconductivity and normal state properties of single-crystalline Tl0.47Rb0.34Fe1.63Se2 as seen via 77Se and 87Rb NMR
• Quasiclassical description of a superconductor with a spin density wave
• Possible Superconductivity in Fe-Sb Based Materials: Density Functional Study of LiFeSb
• Common Features in Electronic Structure of the Fe-Based Layered Superconductors from Photoemission Spectroscopy
• Evidence for Local Moment by Electron Spin Resonance Study on Polycrystalline LaFeAsO${}_{1-x}$F${}_x$ (x=0 and 0.13)
• Paraconductivity of K-doped SrFe2As2 superconductor
• Hall coefficient and Hc2 in underdoped LaFeAsO0.95F0.05
• Theory of tunnelling into a multi-band superconductor: decoherence and interference
• Tunable interplay between 3d and 4f electrons in Co-doped iron pnictides
• Superconducting fluctuations in isovalently-substituted BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$: Possible observation of multiband effects
• Enhancement in transition temperature and critical current density of CeO0.8F0.2FeAs by yttrium doping
• Structure and soft magnetic properties of single-domain Mg${}_{1-x}$Ni${}_x$Fe${}_2$O${}_4$ ($0\le x\le 1.0$) nanocrystals
• Synthesis and Microstructural Studies of Iron Oxypnictide LaO1-xFxFeAs Superconductors
• Magnetic phase diagram in Eu${}_{1-x}$La${}_x$Fe${}_2$As${}_2$ single crystals
• Effect of hybridization on structural and magnetic properties of iron-based superconductors
• Realization of continuously electron doping in bulk iron selenides and identification of a new superconducting zone
• Ground state pairing correlations in the $S_4$ symmetric microscopic model for iron-based superconductors
• Structural Analysis on Iron-Based Superconductor Pr1111 System with Oxygen Deficiency and Flourine Substitution
• Temperature-dependent Raman study of CeFeAsO0.9F0.1 Superconductor: Crystal field excitations, phonons and their coupling
• Charge-stripe Fluctuations in Nd${}_4$Ni${}_3$O${}_8$ as Evidenced by Optical Spectroscopy
• Model for the inverse isotope effect of FeAs-based superconductors in the $\pi$-phase-shifted pairing state
• Effect of SDW fluctuations on the specific heat jump in iron pnictides at a superconducting transition
• Structural and superconducting properties in LaFeAs1-xSbxO1-yFy
• Raman Evidence for Superconducting Gap and Spin-Phonon Coupling in Superconductor Ca(Fe0.95Co0.05)2As2
• Quenched Fe Moment in the Collapsed Tetragonal Phase of Ca${}_{1-x}$Pr${}_x$Fe${}_2$As${}_2$
• Possibility of Unconventional Pairing Due to Coulomb Interaction in Fe-Based Pnictide Superconductors: Perturbative Analysis of Multi-Band Hubbard Models
• Superconductivity induced by doping Rh in CaFe2-xRhxAs2
• Theoretical investigation of magnetic order in ReOFeAs, Re = Ce, Pr
• Domain Walls in Normal and Superconducting States of Iron Pnictides
• Structure and magnetic, thermal, and electronic transport properties of single crystal EuPd2Sb2
• Superconductivity in SmFe1-xCoxAsO (x = 0.0 to 0.30)
• The stability of exfoliated FeSe nanosheets during in-air device fabrication process
• Neutron powder diffraction investigation of the structural and magnetic properties of (La1-yYy)FeAsO
• Observation of zero resistance above 100${}^{\circ }$ K in Pb${}_{10-x}$Cu${}_x$(PO${}_4$)${}_6$O
• Superconductivity in a single layer alkali-doped FeSe: a weakly coupled two-leg ladder system
• Review of nuclear magnetic resonance studies on iron-based superconductors
• Current percolation model for the special resistivity behavior observed in Cu-doped Apatite
• Magnetic ordering of the RE lattice in REFeAsO: the odd case of Sm. A specific heat investigation in high magnetic field
• Superconductivity and structural distortion in BaPt${}_2$As${}_2$
• (CaO)(FeSe): A Layered Wide Gap Oxychalcogenide Semiconductor
• Appearance and disappearance of superconductivity in SmFe1-xNixAsO (x = 0.0 to 1.0)
• Spatial Inhomogeneity in RFeAsO1-xFx (R =Pr, Nd) Determined from Rare Earth Crystal Field Excitations
• Role of interstitial "caged" Fe in the superconductivity of FeTe1/2Se1/2
• Hole pairing from attraction of opposite chirality spin vortices: Non-BCS superconductivity in Underdoped Cuprates
• Superconducting gap symmetry of the noncentrosymmetric superconductor W3Al2C
• Large single crystal growth of BaFe1.87Co0.13As2 using a nucleation pole
• Brief review on iron-based superconductors: are there clues for unconventional superconductivity?
• Hidden SDW order and effective low-energy theory for FeAs superconductors
• Doping dependence of the upper critical field, superconducting current density and thermally activated flux flow activation energy in polycrystalline CeFeAsO1-xFx superconductors
• Constrain on possible pairing symmetry in a two-orbital model of FeAs-based superconductors
• Superconductivity in SmFe1-xMxAsO (M = Co, Rh, Ir)
• Comparative study on the thermoelectric effect of parent oxypnictides La$T$AsO ($T$ = Fe, Ni)
• Self-consistent two-gap approach in studying multi-band superconductivity in NdFeAsO${}_{0.65}$F${}_{0.35}$
• Exploration of iron-chalcogenide superconductors
• Enhanced spin density wave in LaOFeSb
• Physics picture from neutron scattering study on Fe-based superconductors
• Phase Separation, Competition, and Volume Fraction Control in NaFe${}_{1-x}$Co${}_x$As
• Nano-scale Inhomogeneous Superconductivity in Fe(Te1-xSex) Probed by Nanostructure-transport
• Fe-spin reorientation in PrFeAsO : Evidences from resistivity and specific heat studies
• Determination of characteristic muon precession and relaxation signals in FeAs and FeAs2, possible impurity phases in pnictide superconductors
• Thermodynamic evidence for pressure-induced bulk superconductivity in the Fe-As pnictide superconductor CaFe2As2
• Impact of ordering competition on the global phase diagram of iron pnictides
• Pressure effects on strained FeSe0.5Te0.5 thin films
• The collapsed tetragonal phase as a strongly covalent and fully nonmagnetic state: persistent magnetism with interlayer As-As bond formation in Rh-doped Ca${}_{0.8}$Sr${}_{0.2}$Fe${}_2$As${}_2$
• High-Pressure Phase Diagram of NdFeAsO${}_{0.9}$F${}_{0.1}$: Disappearance of superconductivity on the verge of ferromagnetism from nd moments
• A Unified Description of Cuprate and Iron Arsenide Superconductors
• Upper critical field, critical current density and thermally activated flux flow in CaFFe0.9Co0.1As superconductor
• Antiphase magnetic boundaries in iron-based superconductors: A first-principle density-functional theory study
• Enhanced superconductivity in C-S-H compounds at high pressure
• Anisotropic superconducting properties of aligned Sm${}_{0.95}$La${}_{0.05}$FeAsO${}_{0.85}$F${}_{0.15}$ microcrystalline powder
• Transport properties of iron-based FeTe0.5Se0.5 superconducting wire
• Insulating and metallic spin glass in K${}_x$Fe${}_{2-\delta -y}$Ni${}_y$Se${}_2$ (0.06 $\le$ $y$ $\le$ 1.44) single crystals
• Inhomogeneous superconductivity in LuxZr1-xB12 dodecaborides with dynamic charge stripes
• Cooper Pairing in Insulating Valence Band in Fe-Based Superconductors
• First-principles study on Pr-doped Bilayer Nickelate La3Ni2O7
• Normal-state transport properties of PrFeAsO${}_{1-x}$F${}_y$ superconductor
• Competitions of magnetism and superconductivity in FeAs-based materials
• Unscreening Effect on Fe-Pnictide Superconductor
• Superconductivity in a Two-Orbital Hubbard Model with Electron and Hole Fermi Pockets: Application in Iron Oxypnictide Superconductors
• Effect of the indium addition on the superconducting property and the impurity phase in polycrystalline SmFeAsO1-xFx
• Revisiting the phase diagram of LaFe${}_{1-x}$Co${}_x$AsO on single crystals by thermodynamic methods
• Is the nature of magnetic order in copper-oxides and in iron-pnictides different?
• Coexistence of antiferromagnetism and topological superconductivity on the honeycomb lattice Hubbard model
• Possibility of local pair existence in optimally doped SmFeAsO(1-x) in pseudogap regime
• Multi-band superconductivity in LaFeAsO_{0.9}F_{0.1} single crystals probed by high-field vortex torque magnetometry
• Evidence for polarons in iron pnictides of the Ln-1111 and AE-122 families
• Reversible Tuning of the Collapsed Tetragonal Phase Transition in CaFe2As2 by Separate Control of Chemical Pressure and Electron Doping
• Anisotropies and Homogeneities of Superconducting Properties in Iron-Platinum-Arsenide Ca10(Pt3As8)(Fe1.79Pt0.21As2)5
• Direct evidence for the magnetic ordering of Nd ions in NdFeAsO by high resolution inelastic neutron scattering
• Multiple Superconducting Gaps, Anisotropic Spin Fluctuations and Spin-Orbit Coupling in Iron-Pnictides
• Intertwined charge, spin, and pairing orders in doped iron ladders
• Soft phonons and structural phase transition in superconducting Ba0.59K0.41BiO3
• Constraints Imposed by Symmetry on Pairing Operators for the Pnictides
• Predicted high-temperature superconductivity in rare earth hydride ErH2 at moderate pressure
• Flux-lattice melting in LaO${}_{1-x}$F${}_x$FeAs: first-principles prediction
• In-gap Bound States Induced by Interstitial Fe Impurities in Iron-based Superconductors
• Resistivity scaling in 1111 iron-pnictide superconductors
• Suppression of $T_c$ by Zn impurity in the electron-type LaFe${}_{0.925-y}$Co${}_{0.075}$Zn${}_y$AsO system
• $c$-axis charge gap and its critical point in the heavily doped Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• Itinerant magnetism in metallic CuFe2Ge2
• ${}^{75}$As NMR study of the antiferromagnetic Kondo lattice compound CeNiAsO
• Spin reorientation of the Fe moments in Eu${}_{0.5}$Ca${}_{0.5}$Fe${}_2$As${}_2$: Evidence for a strong interplay of Eu and Fe magnetism
• Interplay between Fe 3d and Ce 4f magnetism and Kondo interaction in CeFeAs_{1-x}P_{x}O probed by ^{75}As and ^{31}P NMR
• Effects of the vortices and impurities on the nuclear spin relaxation rate in iron-based superconductors
• Anomalous He-Gas High-Pressure Studies on Superconducting LaO1-xFxFeAs
• Miscibility gap and possible intrinsic Griffiths phase in Sr(Fe1-xMnx)2As2 crystals grown by transitional metal arsenide flux
• Impurity states in antiferromagnetic Iron Arsenides
• Superconductivity induced by U-doping in the SmFeAsO system
• Structural properties, defects and structural phase transition in the ROFeM (R=La, Nd; M=As, P) materials
• Spin density wave in oxypnictide superconductors in a three-band model
• Electron doping of the iron-arsenide superconductor CeFeAsO controlled by hydrostatic pressure
• Dynamic approach to finite-temperature magnetic phase transitions in the extended J1- J2 model with vacancy order
• Oriented gap opening in the magnetically ordered state of Iron-pnicitides: an impact of intrinsic unit cell doubling on the $Fe$ square lattice by $As$ atoms
• Phenomenological Three-Orbital Spin-Fermion Model for Cuprates
• Pressure Effects on the Superconducting and Spin-Density-Wave States of the Newly Discovered Sm(O1-xFx)FeAs
• Magnetic domain walls induced by twin boundaries in low doped Fe-pnictides
• Temperature and Spatial Dependence of the Superconducting and Pseudogap of NdFeAsO0.86F0.14
• Influence of electronic correlations on orbital polarizations in the parent and doped iron pnictides
• The magnetoresistance and Hall effect in CeFeAsO: a high magnetic field study
• Temperature-dependent striped antiferromagnetism of LaFeAsO in a Green's function approach
• New enlargement of the novel class of superconductors
• Magnetism and superconductivity in Eu0.2Sr0.8(Fe0.86Co0.14)2As2 probed by 75As NMR
• Deviating band symmetries and many-body interactions in a model hole doped iron pnictide superconductor
• Orbital-transverse density-wave instabilities in iron-based superconductors
• A predictive bond order model connects covalent superconductivity, including cuprates, oxypnictides or HfN based materials
• Calorimetric study of the superconducting and normal state properties of Ca(Fe1-xCox)2As2
• How chemical pressure affects the fundamental properties of rare-earth pnictides: an ARPES view
• Vortex lock-in transition and evidence for transitions among commensurate kinked vortex configurations in single-layered Fe arsenides
• Improvement in granularity of NdFeAsO0.8F0.2 superconductor through Ag doping
• Observation of multiple superconducting gaps in Fe1+yTe1-xSex via a nano-scale approach to point-contact spectroscopy
• Robust magnetic order of Ce 4f-electrons coexisting with superconductivity in CeFeAsO${}_{1-x}$F${}_x$
• Interplay between spin density wave and $\pi$ phase shifted superconductivity in the Fe pnictide superconductors
• Experimental and theoretical electronic structure of EuRh2As2
• Phase transition in CaFeAsH: bridging 1111 and 122 iron-based superconductors
• Phase diagram of the NdFe1-xRhxAsO superconductor
• Pressure-induced superconductivity in PrOxFeAs
• Lattice expansion from isotope substitution in the Iron based superconductors
• Superconductivity at 33 K in potassium-doped 1,2:8,9-dibenzopentacene
• Superconductivity in Pd-intercalated charge-density-wave rare earth poly-tellurides RETen
• Multiband effects on the conductivity for a multiband Hubbard model
• Van-Hove tuning of Fermi surface instabilities through compensated metallicity
• Evolution of superconductivity in PrFe1-xCoxAsO with x = 0.0 to 1.0
• Competition between singlet and triplet superconductivity
• Electronic structure of $A$Co${}_2$As${}_2$ ($A=$ Ca, Sr, Ba, Eu) studied using angle-resolved photoemission spectroscopy and theoretical calculations
• Iron-Based Superconductors as Parity Odd Superconductors
• Tetragonal-phase SnOFeSe: A possible parent compound of FeSe-based superconductor
• High-Temperature Superconductors Explained by Pairing in Spin-Density Waves
• Effect of substitution and heat treatment route on polycrystalline FeSe0.5Te0.5 Superconductors
• Magnetocrystalline anisotropic effect in GdCo${}_{1-x}$Fe${}_x$AsO ($x=0,0.05$)
• Cu, Pu and Fe high Tc superconductors: all the same mechanism!
• Structural, magnetic and electronic properties of quaternary oxybismuthides LaOMBi (where M = Sc, Ti ... Ni, Cu) - possible parent phases for new superconducting materials
• Synthesis and Microstructural Studies of Iron Based LaO1-xFxFeAs Superconducting Materials
• Nesting-induced Local Electronic Patterns around a Single As (Te, Se) Vacancy in Iron-based Superconductors