Structural and electronic response upon hole-doping of rare-earth iron oxyarsenides Nd1-xSrxFeAsO (0 < x < 0.2)

Abstract

Hole-doping of NdFeAsO via partial replacement of Nd3+ by Sr2+ is a successful route to obtain superconducting phases (Tc = 13.5 K for a Sr2+ content of 20%); however, the structural and electronic response with doping is different from and non-symmetric to that in the electron-doped side of the phase diagram.

4 pages, 4 figures

References in corpus (13)

• LaFeAsO${}_{1-x}$F${}_x$: A low carrier density superconductor near itinerant magnetism
• Superconductivity up to 37 K in (A1-xSrx)Fe2As2 with A=K and Cs
• Superconductivity at 25 K in hole doped $(L{a}_{1-x}S{r}_x)OFeAs$
• Correlated electronic structure of LaOFeAs
• Superconductivity and Crystal Structures of (Ba1-xKx)Fe2As2 (x = 0 - 1)
• Crystal structure of the new FeSe1-x superconductor
• Structure and superconductivity of LiFeAs
• Electron-Hole Symmetry and Magnetic Coupling in Antiferromagnetic LaOFeAs
• Crystallographic Phase Transition and High-Tc Superconductivity in LaFeAsO:F
• Bandwidth and Fermi surface of Iron-Oxypnictides: covalency and sensitivity to structural changes
• The effect of internal pressure on the tetragonal to monoclinic structural phase transition in ReOFeAs: the case of NdOFeAs
• Superconductivity induced by oxygen deficiency in Sr-doped LaOFeAs
• Doping Dependence of Superconductivity and Lattice Constants in Hole Doped $L{a}_{1-x}S{r}_{x}FeAsO$

Cited by in corpus (18)

• Superconductivity in Iron Compounds
• Influence of the rare-earth element on the effects of the structural and magnetic phase transitions in CeFeAsO, PrFeAsO, and NdFeAsO
• A variable temperature study of the crystal and magnetic structures of the giant magnetoresistant materials LnMnAsO (Ln = La, Nd)
• Superconductivity in NdFe1-xCoxAsO (0.05 < x < 0.20) and rare-earth magnetic ordering in NdCoAsO
• The phase diagrams of iron-based superconductors: theory and experiments
• Muon spin rotation study of magnetism and superconductivity in BaFe2-xCoxAs2 and Pr1-xSrxFeAsO
• Synthesis and properties of SmO0.5F0.5BiS2 and enhancement in Tc in La1-ySmyO0.5F0.5BiS2
• Local structure of REFeAsO (RE=La, Pr, Nd, Sm) oxypnictides studied by Fe K-edge EXAFS
• Superconductivity in Uncollapsed Tetragonal LaFe2As2
• RE L${}_3$ X-ray absorption study of REO${}_{1-x}$F${}_x$FeAs (RE=La, Pr, Nd, Sm) oxypnictides
• Microstructural evolution throughout the structural transition in 1111 oxy-pnictides
• Local lattice distortions vs. structural phase transition in NdFeAsO1-xFx
• Structural study on hole-doped superconductors Pr1-xSrxFeAsO
• Lattice anomalies in the FeAs${}_4$ tetrahedra of the NdFeAsO${}_{0.85}$ superconductor that disappear at T${}_{\mathrm{c}}$
• Superconductivity at 15.6 K in Calcium-doped Tb_{1-x}Ca_xFeAsO: the structure requirement for achieving superconductivity in the hole-doped 1111 phase
• Superconductivity induced by U-doping in the SmFeAsO system
• Structural investigation of the Sm(Fe1-xRux)As(O0.85F0.15) system: a synchrotron X-ray powder diffraction study
• Superconductivity above 30 K due to the introduction of oxygen in CaFeAsF