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 …

To what extent iron-pnictide new superconductors have been clarified: a progress report

K Ishida, Y Nakai, H Hosono - Journal of the Physical Society of …, 2009 - journals.jps.jp
In this review, the authors present a summary of experimental reports on newly discovered
iron-based superconductors as they were known at the end of 2008. At the same time, this …

Superconductivity at 22 K in Co-Doped Crystals

AS Sefat, R **, MA McGuire, BC Sales, DJ Singh… - Physical review …, 2008 - APS
Here we report bulk superconductivity in BaFe 1.8 Co 0.2 As 2 single crystals below T c= 22
K, as demonstrated by resistivity, magnetic susceptibility, and specific heat data. Hall data …

Density functional study of FeS, FeSe, and FeTe: Electronic structure, magnetism, phonons, and superconductivity

A Subedi, L Zhang, DJ Singh, MH Du - Physical Review B—Condensed Matter …, 2008 - APS
We report density functional calculations of the electronic structure, Fermi surface, phonon
spectrum, magnetism, and electron-phonon coupling for the superconducting phase FeSe …

Two-band superconductivity in LaFeAsO0.89F0.11 at very high magnetic fields

F Hunte, J Jaroszynski, A Gurevich, DC Larbalestier… - nature, 2008 - nature.com
The recent synthesis of the superconductor LaFeAsO0. 89F0. 11 with transition temperature
T c≈ 26 K (refs) has been quickly followed by reports of even higher transition temperatures …

Small anisotropy, weak thermal fluctuations, and high field superconductivity in Co-doped iron pnictide Ba (Fe1− xCox) 2As2

A Yamamoto, J Jaroszynski, C Tarantini… - Applied Physics …, 2009 - pubs.aip.org
We performed high-field magnetotransport and magnetization measurements on a single
crystal of the 122-phase iron pnictide Ba (Fe 1− x Co x) 2 As 2⁠. Unlike the high …

Progress in wire fabrication of iron-based superconductors

Y Ma - Superconductor Science and Technology, 2012 - iopscience.iop.org
Iron-based superconductors, with T c values up to 55 K, are of great interest for applications,
due to their lower anisotropies and ultrahigh upper critical fields. In the past four years, great …
LJ Li, YK Luo, QB Wang, H Chen, Z Ren… - New Journal of …, 2009 - iopscience.iop.org
A series of 122 phase BaFe 2− x Ni x As 2 (x= 0, 0.055, 0.096, 0.18 and 0.23) single crystals
was grown by the self-flux method and a dome-like Ni do** dependence of the …

Superconductivity in

AS Sefat, A Huq, MA McGuire, R **, BC Sales… - Physical Review B …, 2008 - APS
Here we report the synthesis and basic characterization of LaFe 1− x Co x AsO for several
values of x. The parent phase LaFeAsO orders antiferromagnetically (TN≈ 145 K) …