High-temperature superconductivity in iron-based layered iron compounds

MV Sadovskii - Physics-Uspekhi, 2008 - iopscience.iop.org
Basic experimental data are presented for a new class of high-temperature superconductors—
iron-based layered compounds of the types REOFeAs (RE= La, Ce, Nd, Pr, Sm,...), AFe 2 As …

An overview on iron based superconductors

PM Aswathy, JB Anooja, PM Sarun… - Superconductor …, 2010 - iopscience.iop.org
The discovery of superconductivity at relatively higher temperatures in a non-cuprate
system, LnFeAsO 1− x F x (Ln= lanthanides) has created tremendous activity among the …

Unconventional Pairing Originating from the Disconnected Fermi Surfaces <?format ?>of Superconducting

K Kuroki, S Onari, R Arita, H Usui, Y Tanaka… - Physical Review Letters, 2008 - APS
For a newly discovered iron-based high T c superconductor LaFeAsO 1-x F x, we have
constructed a minimal model, where inclusion of all five Fe d bands is found to be …

Coherence–incoherence crossover in the normal state of iron oxypnictides and importance of Hund's rule coupling

K Haule, G Kotliar - New journal of physics, 2009 - iopscience.iop.org
A new class of high-temperature superconductors based on iron and arsenic was recently
discovered (Kamihara et al 2008 J. Am. Chem. Soc. 130 3296), with the superconducting …

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 …

The electronic phase diagram of the LaO1−xFxFeAs superconductor

H Luetkens, HH Klauss, M Kraken, FJ Litterst… - Nature materials, 2009 - nature.com
The competition of magnetic order and superconductivity is a key element in the physics of
all unconventional superconductors, for example in high-transition-temperature cuprates …

Transition of stoichiometric to a superconducting state at 37.2 K

X Zhu, F Han, G Mu, P Cheng, B Shen, B Zeng… - Physical Review B …, 2009 - APS
The superconductor Sr 4 V 2 O 6 Fe 2 As 2 with transition temperature at 37.2 K was
successfully fabricated. It has a layered structure with the space group of p 4/nmm and with …

Superconductivity induced by Ni do** in BaFe2As2 single crystals

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 …

Coexistence of static magnetism and superconductivity in SmFeAsO1−xFx as revealed by muon spin rotation

AJ Drew, C Niedermayer, PJ Baker, FL Pratt… - Nature materials, 2009 - nature.com
The recent observation of superconductivity with critical temperatures (T c) up to 55 K in the
pnictide RFeAsO1− x F x, where R is a lanthanide, marks the first discovery of a non-copper …

Theory of magnetic excitations in iron-based layered superconductors

MM Korshunov, I Eremin - Physical Review B—Condensed Matter and …, 2008 - APS
Based on the effective four-band model we analyze the spin response in the normal and
superconducting states of the Fe-pnictide superconductors. While the normal-state spin …