The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides
DC Johnston - Advances in Physics, 2010 - Taylor & Francis
The response of the worldwide scientific community to the discovery in 2008 of
superconductivity at T c= 26 K in the Fe-based compound LaFeAsO1− x F x has been very …
superconductivity at T c= 26 K in the Fe-based compound LaFeAsO1− x F x has been very …
Iron-based superconductors at high magnetic fields
A Gurevich - Reports on Progress in Physics, 2011 - iopscience.iop.org
An overview of the behavior of Fe-based superconductors (FBSs) in magnetic fields is given
with the emphasis on the materials features important for pinning of vortices, critical current …
with the emphasis on the materials features important for pinning of vortices, critical current …
Very strong intrinsic flux pinning and vortex avalanches in superconducting single crystals
We report that the (Ba, K) Fe 2 As 2 crystal with T c= 32 K shows a pinning potential, U 0, as
high as 10 4 K, with U 0 showing very little field dependence. The (Ba, K) Fe 2 As 2 single …
high as 10 4 K, with U 0 showing very little field dependence. The (Ba, K) Fe 2 As 2 single …
Anisotropic superconducting properties of single-crystalline
Iron-chalcogenide single crystals with the nominal composition FeSe 0.5 Te 0.5 and a
transition temperature of T c≃ 14.6 K were synthesized by the Bridgman method. The …
transition temperature of T c≃ 14.6 K were synthesized by the Bridgman method. The …
Two-Gap Superconductivity in : A Complementary Study of the Magnetic Penetration Depth by Muon-Spin Rotation and Angle-Resolved Photoemission
We investigate the magnetic penetration depth λ in superconducting Ba 1-x K x Fe 2 As 2 (T
c≃ 32 K) with muon-spin rotation (μ SR) and angle-resolved photoemission (ARPES). Using …
c≃ 32 K) with muon-spin rotation (μ SR) and angle-resolved photoemission (ARPES). Using …
Single crystals of LnFeAsO1− xFx (Ln= La, Pr, Nd, Sm, Gd) and Ba1− xRbxFe2As2: Growth, structure and superconducting properties
J Karpinski, ND Zhigadlo, S Katrych, Z Bukowski… - Physica C …, 2009 - Elsevier
A review of our investigations on single crystals of LnFeAsO1− xFx (Ln= La, Pr, Nd, Sm, Gd)
and Ba1− xRbxFe2As2 is presented. A high-pressure technique has been applied for the …
and Ba1− xRbxFe2As2 is presented. A high-pressure technique has been applied for the …
Evolution of Two-Gap Behavior of the Superconductor
The superfluid density, ρ s, of the iron chalcogenide superconductor, FeSe 1-x, was studied
as a function of pressure by means of muon-spin rotation. The analysis of ρ s (T) within the …
as a function of pressure by means of muon-spin rotation. The analysis of ρ s (T) within the …
Huge critical current density and tailored superconducting anisotropy in SmFeAsO0.8F0.15 by low-density columnar-defect incorporation
Iron-based superconductors could be useful for electricity distribution and superconducting
magnet applications because of their relatively high critical current densities and upper …
magnet applications because of their relatively high critical current densities and upper …
Effects of two gaps and paramagnetic pair breaking on the upper critical field of and single crystals
HS Lee, M Bartkowiak, JH Park, JY Lee, JY Kim… - Physical Review B …, 2009 - APS
We investigated the temperature dependence of the upper critical field [H c 2 (T)] of fluorine-
free SmFeAsO 0.85 and fluorine-doped SmFeAsO 0.8 F 0.2 single crystals by measuring the …
free SmFeAsO 0.85 and fluorine-doped SmFeAsO 0.8 F 0.2 single crystals by measuring the …
Nonexponential London Penetration Depth of FeAs-Based Superconducting <?format ?> (, Nd) Single Crystals
The superconducting penetration depth λ (T) has been measured in R FeAsO 0.9 F 0.1 (R=
La, Nd) single crystals (R-1111). In Nd-1111, we find an upturn in λ (T) upon cooling and …
La, Nd) single crystals (R-1111). In Nd-1111, we find an upturn in λ (T) upon cooling and …