Superconductivity in iron compounds

GR Stewart - Reviews of Modern Physics, 2011 - APS
Kamihara and coworkers' report of superconductivity at T c= 26 K in fluorine-doped
LaFeAsO inspired a worldwide effort to understand the nature of the superconductivity in this …

Magnetism and its microscopic origin in iron-based high-temperature superconductors

P Dai, J Hu, E Dagotto - Nature Physics, 2012 - nature.com
High-temperature superconductivity in the iron-based materials emerges from, or sometimes
coexists with, their metallic or insulating parent compound states. This is surprising, as these …

Magnetism in Fe-based superconductors

MD Lumsden, AD Christianson - Journal of Physics: Condensed …, 2010 - iopscience.iop.org
In this review, we present a summary of experimental studies of magnetism in Fe-based
superconductors. The do** dependent phase diagram shows strong similarities to the …

Iron-based superconductors: Magnetism, superconductivity, and electronic structure

AA Kordyuk - Low temperature physics, 2012 - pubs.aip.org
Angle resolved photoemission spectroscopy (ARPES) reveals the features of the electronic
structure of quasi-two-dimensional crystals which are crucial for spin and charge ordering …

Evidence for a Lifshitz transition in electron-doped iron arsenic superconductors at the onset of superconductivity

C Liu, T Kondo, RM Fernandes, AD Palczewski… - Nature Physics, 2010 - nature.com
The iron arsenic high-temperature superconductors, exhibit particularly rich phase
diagrams. In the AE (Fe1− x T x) 2As2 family (known as '122', with AE being Ca, Sr or Ba and …

Probing multiband superconductivity by point-contact spectroscopy

D Daghero, RS Gonnelli - Superconductor Science and …, 2010 - iopscience.iop.org
Point-contact spectroscopy was originally developed for the determination of the electron–
phonon spectral function in normal metals. However, in the past 20 years it has become an …

Phase diagram of BaKFeAs

S Avci, O Chmaissem, DY Chung, S Rosenkranz… - Physical Review B …, 2012 - APS
We report the results of a systematic investigation of the phase diagram of the iron-based
superconductor Ba 1− x K x Fe 2 As 2 from x= 0 to x= 1.0 using high-resolution neutron and …

Competing order and nature of the pairing state in the iron pnictides

RM Fernandes, J Schmalian - Physical Review B—Condensed Matter and …, 2010 - APS
We show that the competition between magnetism and superconductivity can be used to
determine the pairing state in the iron arsenides. To this end we demonstrate that the …

Nanoscale phase separation in the iron chalcogenide superconductor KFeSe as seen via scanning nanofocused x-ray diffraction

A Ricci, N Poccia, G Campi, B Joseph, G Arrighetti… - Physical Review B …, 2011 - APS
Advanced synchrotron radiation focusing down to a size of 300 nm has been used to
visualize nanoscale phase separation in the K 0.8 Fe 1.6 Se 2 superconducting system …

Iron-based high transition temperature superconductors

X Chen, P Dai, D Feng, T **ang… - National Science …, 2014 - academic.oup.com
In a superconductor electrons form pairs and electric transport becomes dissipation-less at
low temperatures. Recently discovered iron-based superconductors have the highest …