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 …

Interplay between magnetism and superconductivity in iron-chalcogenide superconductors: crystal growth and characterizations

J Wen, G Xu, G Gu, JM Tranquada… - Reports on progress in …, 2011 - iopscience.iop.org
In this review, we present a summary of results on single crystal growth of two types of iron-
chalcogenide superconductors, Fe 1+ y Te 1− x Se x (11), and A x Fe 2− y Se 2 (A= K, Rb …

Interface charge do** effects on superconductivity of single-unit-cell FeSe films on substrates

W Zhang, Z Li, F Li, H Zhang, J Peng, C Tang, Q Wang… - Physical Review B, 2014 - APS
We prepare single-unit-cell FeSe films on insulating SrTiO 3 substrates by molecular beam
epitaxy and investigate the evolution of their superconducting properties with annealing by …

Crucial role of out-of-plane Sb orbitals in Van Hove singularity formation and electronic correlations in the superconducting kagome metal

MY Jeong, HJ Yang, HS Kim, YB Kim, SB Lee, MJ Han - Physical Review B, 2022 - APS
First-principles density functional theory calculations are performed to understand the
electronic structure and interaction parameters for recently discovered superconducting …

Maximizing Tc by tuning nematicity and magnetism in FeSe1−xSx superconductors

K Matsuura, Y Mizukami, Y Arai, Y Sugimura… - Nature …, 2017 - nature.com
A fundamental issue concerning iron-based superconductivity is the roles of electronic
nematicity and magnetism in realising high transition temperature (T c). To address this …

Unified picture for magnetic correlations in iron-based superconductors

WG Yin, CC Lee, W Ku - Physical review letters, 2010 - APS
The varying metallic antiferromagnetic correlations observed in iron-based superconductors
are unified in a model consisting of both itinerant electrons and localized spins. The decisive …

From antiferromagnetism to superconductivity in : Neutron powder diffraction analysis

A Martinelli, A Palenzona, M Tropeano… - Physical Review B …, 2010 - APS
The nuclear and magnetic structures of Fe 1+ y Te 1− x Se x (0≤ x≤ 0.20) compounds was
analyzed between 2 and 300 K by means of Rietveld refinement of neutron powder …

Suppression of superconductivity by twin boundaries in FeSe

CL Song, YL Wang, YP Jiang, L Wang, K He, X Chen… - Physical Review Letters, 2012 - APS
Low-temperature scanning tunneling microscopy and spectroscopy are employed to
investigate twin boundaries in stoichiometric FeSe films grown by molecular beam epitaxy …

[HTML][HTML] Magnetic interactions in iron superconductors: A review

E Bascones, B Valenzuela, MJ Calderón - Comptes Rendus Physique, 2016 - Elsevier
High-temperature superconductivity in iron pnictides and chalcogenides emerges when a
magnetic phase is suppressed. The multi-orbital character and the strength of correlations …

Strong pressure-dependent electron-phonon coupling in FeSe

S Mandal, RE Cohen, K Haule - Physical Review B, 2014 - APS
We have computed the correlated electronic structure of FeSe and its dependence on the A
1 g mode versus compression. Using the self-consistent density functional theory-dynamical …